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14[[quoteright:350:[[Webcomic/KevinAndKell https://static.tvtropes.org/pmwiki/pub/images/workout.jpg]]]]
15
16->'''Della:''' Is... is that a hamster wheel?\
17'''Launchpad:''' Yeah! Well, obviously, a gerbil couldn't spin the propeller.
18-->-- ''WesternAnimation/DuckTales2017'', "[[Recap/DuckTales2017S2E20TheGoldenArmoryOfCorneliusCoot The Golden Armory of Cornelius Coot!]]"
19
20One humorous way to demonstrate that a mechanical device is primitive, of amateurish construction, or simply underpowered is to have it propelled, not by internal combustion or electricity, but by Pocket Pet Power. Hook it up to a wheel-shaped or spherical cage, and let a small animal -- usually a hamster or mouse -- run its little legs off inside to generate torque. The larger the device, and the tinier the animal, the odder this arrangement looks. In a science-fiction setting, the animal may even be a [[MechanicalAnimals robot]], and may or may not have a conspicuous power cord [[PerpetualMotionMachine leading back to the generator]].
21
22More-plausible variants, which use large animals or human workers to turn their wheels, also appear in fiction. These aren't particularly funny and may be PlayedForDrama if the arduousness (and boredom) of walking inside a wheel for hours on end is emphasized. (See:
23PoweredByAForsakenChild.)
24
25Other odd methods of powering a device by muscle action, such as pedaling or pushing levers, may also rate as variants of this trope, provided they're similarly PlayedForLaughs or melodrama.
26
27A common power source for HomemadeInventions or BambooTechnology. Often combined with RubeGoldbergDevice for maximum wackiness. The SisterTrope of WheelOfPain may also apply, if it's for a slave-driven variety of the serious version, or if being the power source is a form of torture or punishment.
28
29----
30!!Examples:
31[[foldercontrol]]
32
33[[folder:Advertising]]
34* A [=PSA=] from Enroll America promoting the ACA's health insurance exchanges features various pets beseeching their owners to get covered. One is a hamster whose exercise wheel powers a digital "C'mon, you can do it!" sign.
35* In a Geico commercial, a man powers his laptop from a team of guinea pigs he'd trained to row a miniature boat.
36* Referenced in a Kia commercial in which cars of other brands are represented by giant (stationary) hamster wheels.
37** Even better when the drivers of the Kia itself are (wait for it) giant hamsters!
38* [[https://www.youtube.com/watch?v=zULDfSS7h20 This Nokia ad.]] Played straight and spelled out: "Hamster-powered phone charger". Genius.
39* Not actually powering it, but Volvo actually attached hamster wheel to the steering wheel of a truck and then drove it up a cliff by making the hamster drive it. Yes, a Hamster driving a BigBadassRig by running on a wheel.
40[[/folder]]
41
42[[folder:Anime & Manga]]
43* The CoolBoat of ''Anime/KillLaKill'', the Naked Sol, turns out to be powered by a set of these, despite being roughly the size of a standard aircraft carrier. [[spoiler:A sufficiently motivated [[EmpoweredBadassNormal Mako]] manages to give the ship a massive power boost. ''By herself''.]]
44* During ''[[Manga/MegaManMegamix Mega Man Gigamix]]'''s Battle and Chase arc, Auto comes across Napalm Man's crashed car and gleefully opens it up, intent on scavenging it for high-quality parts. Instead of an engine, however, he's disturbed to find a three-person bike along with a KO'ed Charge Man, Crystal Man, and Wave Man inside.
45* ''Anime/PokemonTheSeries'':
46** The second episode of ''Anime/PokemonTheOriginalSeries'' shows that the Pokémon Center's backup power generator is several Pikachu running on a horizontal wheel around a Tesla coil.
47** There have also been cases where Team Rocket has captured Pikachu and used him to power their latest device for stealing Pokémon. It makes sense, since, much like the example above, Pikachu do generate massive amounts of electricity making them akin to small furry generators.
48** In ''Anime/PokemonTheSeriesSunAndMoon'', Sophocles has a hamster wheel on the side of his desk. His Togedemaru runs on it to generate power.
49[[/folder]]
50
51[[folder:Comic Books]]
52* ''ComicBook/CaptainCarrotAndHisAmazingZooCrew'' once fought the Screeching Tire, a giant tire about the size and general structural design of ComicBook/{{Blackhawk}}'s notorious enemy mecha, the Warwheel, and powered and controlled by a villainous gerbil.
53* In ''ComicBook/TheDarkKnightStrikesAgain'', it's revealed that [[spoiler:a major source of electricity for the whole world is actually a giant hamster wheel where ComicBook/TheFlash is running in superspeed.]]
54* One episode of Creator/ArchieComics ''Explorers of the Unknown'' had the VillainOfTheWeek's superweapon powered by "1,000,000 hamsters in running wheels."
55* In ''ComicBook/TheFabulousFurryFreakBrothers'', Phineas devises a car, powered by a hamster on a treadmill - which is on cocaine.
56* One Short Circuits strip from the ''ComicBook/MegaManArchieComics'' comic had Dr. Light invent Mariachi, the robot hamster, who runs in a hamster wheel to power itself as a perpetual motion machine. Proto Man cites this as why he doesn't like him messing with his power core.
57* ''ComicBook/TheSimpsons:'' One issue has the town nearly dragged into nuclear war between Mr. Burns and his rival, and as a result, the government outright bans any nuclear technology in town for several months. As a result, power is supplied to the town by making all of Burns' employees run on giant hamster wheels.
58* In ''ComicBook/SonicTheHedgehogArchieComics'', a fairly often-used occurrence is to use Sonic's speed to power various devices, usually by having him pedal on a modified bike, or running on a treadmill. Amazingly he's even used this to power not one, but two HumongousMecha!
59[[/folder]]
60
61[[folder:Fan Works]]
62* In ''WebVideo/HellsingUltimateAbridged'', Sir Integra frustratedly assumes [[{{Troll}} The Major]] is powered by this when he is revealed to be a cyborg. He just replies, [[JokeAndReceive “His name is Hamburg.”]]
63* ''Fanfic/MyLittleDenarians'': Discord foils Nicodemus' plan of running away and leaving him to fight the heroes alone by turning the engine of his car into a hamster ball.
64* Jokingly suggested as the secret power source of the AlcubierreDrive in ''Fanfic/TheNextFrontier''. Plus the Kerbals did apparently look at hooking the treadmill in their first interstellar starship's fitness centre up to the power grid to cut their power consumption, but ultimately decided it wasn't worth it.
65* ''Fanfic/SuperRWBYSisters'': At the climax of "JINX's Star Allies", following their capture by the Shroobs, the Squeak Squad is forced to run on hamster wheels. After being set free, Daroach notes how embarrassing it was.
66[[/folder]]
67
68[[folder:Film -- Animated]]
69* ''WesternAnimation/{{Aladdin}}'': Jafar has Iago run atop a horizontal gear to produce power for a [[CrystalBall scrying device]], with which to locate the "diamond in the rough".
70-->'''Iago:''' [[WithDueRespect With all due respect]], your rottenness, couldn't we just wait for a ''real'' storm?!
71* ''WesternAnimation/{{Bolt}}'': At the very end, it's revealed the roll of the ClosingCredits is hamster-powered.
72* At the end of "WesternAnimation/BoobsInTheWoods", WesternAnimation/DaffyDuck takes out the motor out of WesternAnimation/PorkyPig's car, so Porky forces Daffy to pedal the crankshaft instead. When he complains that Porky had no right to do that, Porky produces a license that allows him to do just that (a CallBack to a gag about licenses earlier in the cartoon).
73* ''WesternAnimation/ChickenRun'': The chickens escape on a plane that runs on pedals.
74* ''WesternAnimation/MadagascarEscape2Africa'': A plane is powered by monkeys.
75* ''WesternAnimation/{{Moana}}'': The Kakamora use a large Kakamora-powered wheel to deploy a giant drum on their floating fortress. Another pair of them run on cylinders on either end of an axle to reel in a hauling rope.
76* ''WesternAnimation/MyLittlePonyANewGeneration'': The ''Just Prance'' game played by Sunny and Alphabittle is powered by a pair of armadillos running on wheels behind the cabinet.
77* ''WesternAnimation/TheNightmareBeforeChristmas'': When Jack disguises himself as a snowman during his "What's This?" song, a sled full of caroling elves glides past him. The sled is propelled by a penguin waddling along in a wheel.
78* ''Animation/PleasantGoatAndBigBigWolfTheTigerProwess'': Lord Japper has Weslie run on a large hamster wheel-like apparatus to power the ferris wheel at his amusement park. Wolffy plays a prank on Weslie by spinning the wheel the other way, causing Weslie to lose balance and spin along with the wheel as Wolffy laughs at him.
79[[/folder]]
80
81[[folder:Film -- Live-Action]]
82* A short film by San Gabriel Union Church had the church van break down, so the driver goes to "check the engine." Once he opens the hood, he yells inside "Come on, Samson! You can do it!" Samson is revealed to be a hamster in a wheel.
83* Parodied in ''Film/TheAbsentMindedProfessor''. The evil businessman, Alonzo Hawk, switched Model T's on Professor Brainard in a cruel joke. The "flight" of the car was ostensibly powered by a flock of doves; its engine was a hamster in a wheel. The joke would have worked, had Brainard not remembered that ''his'' car had a radio in it, and this one did not.
84* In ''Film/EvanAlmighty'', one of the Bronze Age tools God provides for Evan to build an Ark is a crane powered by Evan's kids walking in a human-sized wheel.
85* ''Film/MadMaxFuryRoad''. Giant treadmills are used to power the vehicle lifting platforms in the Citadel, given that slave labor is cheaper than 'guzzoline' in this AfterTheEnd world.
86* In ''Film/MortalEngines'', Tom Natsworthy has a tamed rat powering some of his Old Tech in his room in the Museum.
87* ''Film/WillyWonkaAndTheChocolateFactory'': Puttering around in the Inventing Room, Wonka stirs a fluffy white concoction by pedaling a standing bicycle that powers a blender's beaters.
88[[/folder]]
89
90[[folder:Jokes]]
91* A joke back in the day these things were something new was that slot and vending machines were operated from inside by a dwarf Chinese man.
92[[/folder]]
93
94[[folder:Literature]]
95* Complaining about her PD's microscopic budget, police chief ''Literature/ArlyHanks'' claims in ''Merry Wives of Maggody'' that her computer is powered by squirrels running in a wheel. She tells Sheriff Dorfer that one of his deputies will have to run background checks on some suspects because her computer's on the blink: one of the squirrels died.
96* At the end of ''Literature/ChetGecko: The Hamster of the Baskervilles'', the titular were-hamster is defeated by luring into a science fair exhibit about perpetual motion, which features an enormous spinning wheel. The were-hamster is caught inside the wheel and remains running, rendering it harmless.
97* ''Literature/{{Discworld}}''
98** Archchancellor Ridcully has a device under his hat that may prevent baldness, powered by a hamster.
99** Large-scale versions have also appeared in ''Literature/{{Discworld}}'', powered by golems (the Big Penny in ''Literature/MakingMoney''), trolls (the riverboat from ''Literature/WitchesAbroad''), oxen (the ''Wonderful Fanny'' from ''Literature/{{Snuff}}'') or human prisoners (the door-opening device in ''Literature/SmallGods''). A subversion in ''Literature/{{Eric}}'' was a giant wheel propelled by damned souls (and, briefly, by the Luggage), but it didn't power anything and was merely [[WheelOfPain one of Hell's torments]].
100* In ''[[Literature/RiversOfLondon False Value]]'', the break room at the Serious Cybernetics Company is equipped with a plasma TV that's powered by a human-sized hamster wheel.
101* In the [[Literature/HonorHarrington Honorverse]], the Solarian League is the largest, most powerful nation in the setting, but ''because'' it is so massive it hasn't actually had to deploy its battle fleet in literal centuries. When war breaks out between the Solarian League and the Star Kingdom of Manticore, it sends a large portion of its fleet to the distant Manticore star system. Since the Manticoran fleet far outclasses the Solarian fleet when it comes to actual combat power, the Manticorans joke that they're amazed the Solarian ships made the journey, and joke that they didn't think the hamsters in the engine room had that much energy.
102* A decidedly non-comedic example in ''Literature/TheLostRegiment'', where thousands of Cartha slaves are forced by the [[HumanAliens Merki]] to walk in huge wheels for hours each pay, powering their primitive manufacturing facility. This is because they don't have time to build efficient steam engines to do the job, not that the Merki care about the fates of a bunch of slaves, who drop like flies from the exhaustion. Later, the more advanced Bantag do the same, although their leader Ha'ark is determined to improve the process with steam engines.
103* In ''Literature/SecretOfTheSixthMagic'', farm boys walking on wheels provide kinetic energy which thaumaturges then transfer into a magic-powered harvesting apparatus. Doubly cruel, in that the wheel-walkers end up with massively-overdeveloped thighs and no other skills to make a living, while the "harvesting apparatus" consists of cages with human peasants inside, steadily forced forward by mechanisms that beat them if they don't cut grain fast enough.
104* Much of the advanced technology in the ''Literature/{{Skyward}}'' series is powered by [[spoiler: taynixes, brightly colored slug-like creatures with the unique ability to use [[PsychicPowers cytonics]] without attracting the [[EldritchAbomination delvers]].]]
105* The time-travel device Sonic and Tails use near the end of the book ''Literature/SonicTheHedgehogInTheFourthDimension'' is cobbled together using a treadmill as the power source. The faster the duo run the quicker they travel in time; this becomes a plot point.
106* Creator/JamesBlish's short story "Literature/SurfaceTension" features genetically engineered rotifer-sized people who build a "space ship" (we would think of it as a land vehicle) to travel to another pond on the surface of their planet. It is powered by diatoms running on treadmills.
107[[/folder]]
108
109[[folder:Live-Action TV]]
110* ''Series/AlloAllo'' has a few episodes where the radio to London has to be replaced and since they lose the batteries in a GambitPileUp, they have to power the radio by way of a bicycle. Which leads to a great gag where Leclerc is too exhausted to carry on, [[IHaveBoobsYouMustObey but Madame Fanny shows him her legs and he immediately gets a boost.]]
111* In an episode of ''Series/{{Bones}}'' Booth & Brennan visit an organic farmer who makes smoothies out of his vegetables, using a stationary bicycle to generate the electricity to run the blender. Brennan thinks it's ingenious; Booth thinks it's this trope.
112* Creator/StephenColbert once suggested that puppies licking peanut butter off turbine blades to make them spin might be a viable alternative-energy option on ''Series/TheColbertReport''.
113* ''Series/{{Elementary}}'': A white mouse in a wheel powers part of the RubeGoldbergDevice shown in the opening credits.
114* On ''Series/GilligansIsland'', Gilligan pedals a stationary bicycle in order to generate power for the radio and a few other devices. At least once the stationary bicycle became non-stationary, sending Gilligan flying through the underbrush.
115* ''Series/{{MASH}}'': Joked about when the 4077's generator breaks down and their backup one is stolen. There's even a BrickJoke about the hamster being put out of work after Klinger swipes them another unit's backup generator.
116* ''Series/TheMuppetShow'': When the theater lost power, Dr. Honeydew rigged a giant hamster wheel generator that ran on "Beaker power". When Beaker got tired, Honeydew activated a power booster -- he released a tiger inside the wheel to chase Beaker.
117* Discussed in ''Series/NightCourt''. Bull, whose intelligence level is flaky at best, is having a particularly tunnel-visioned moment; Dan asks him what he has upstairs, a hamster in a wheel?
118* The ''Series/OddSquad'' episode "Xs and Os" has Oona pedaling a stationary bike in order to generate electricity for the lab, as a way of cutting costs from using a lot of electricity. It works for a time but comes at a severe consequence of her not being able to repair and build gadgets, leaving Olympia and Otis defenseless when Headquarters begins falling to shambles.
119* Hamsters came to the rescue when the power went out during ''Series/PuppyBowl X'', running on wheels to generate electricity for the stadium.
120** The same hamster also powered the scoreboard in Puppy Bowl 11!
121* Appears twice in ''Series/RedDwarf'', first in White Hole when the ship's power is turned off and the Cat makes Lister peddle in an attempt to fry an egg with a hairdryer (before insisting he power the electric blanket while he sleeps) and secondly in a metaphorical sense when Ace Rimmer attempts to train Rimmer to take on his mantle by encouraging him to 'be the cougar running free', and Rimmer's efforts are visualised as a hamster in a wheel.
122* Jokingly suggested by Tom Paris in the ''Series/StarTrekVoyager'' episode "Demon" when the ship is dangerously low on fuel.
123--> '''Paris:''' We could set up a bicycle in the mess hall, attach a generator, pedal home.\
124'''Janeway:''' Now why didn't I think of that?
125* One of the oddball survivors' communities on ''Series/ZNation'' used never-tiring zombies roped to a horizontal wheel of spokes to generate electricity.
126[[/folder]]
127
128[[folder:Music]]
129* The melodramatic human variant appears in Music/{{REM}}'s video for "Shiny Happy People", in which the super-funtime backdrop in front of which Michael Stipe and [[Music/TheB52s Kate Pierson]] are singing and cavorting is kept moving by an old man on a stationary bicycle positioned behind it. Halfway through he's given a glass of water and a reprieve, and gets to watch the crowd of revelers dance in front of the now-stationary backdrop while smoking a pipe. His scenes on the bike are nicely timed to the 60-bpm sections in the otherwise 120-bpm song (these sections also serving to bring forward the unusual 12/8 time), highlighting the effort required to keep the backdrop, and the song, moving at its proper upbeat tempo.
130* A Music/RayStevens music video "Surfin' USSR" had a nuclear sub powered by a hamster in a wheel and a menacing-looking Red with a bullwhip.
131[[/folder]]
132
133[[folder:Pinball]]
134* ''Pinball/WeirdAlsMuseumOfNaturalHilarity'': The launch trailer shows that UHF mode is started once the camera is powered up enough, which is accomplished by Harvey the Wonder Hamster running in a hamster wheel.
135[[/folder]]
136
137[[folder:Radio]]
138* ''Radio/{{The Curious Cases Of Rutherford and Fry}}'' explores the subject in the episode "The Hamster-Wheel Hypothesis", concluding that powering London would require millions of hamsters, either in a cubic kilometre of habitat or possibly in the cellars of individual homes. The programme also asks if other animals might be better choices: from an efficiency standpoint quail or kangaroo rats get more speed, but from an ethical standpoint the best option is paid, voluntary humans, who are ''really'' energy inefficient.
139* ''Radio/TheMenFromTheMinistry'' episode "A Sense of Power" ends with Britain getting a new power source in the form of thousands of hamsters spinning a wheel-machine.
140[[/folder]]
141
142[[folder:Tabletop Games]]
143* ''TabletopGame/{{Battletech}}'': In the parody ''Critter-TEK''', hamster wheels are the standard power source for [=TEKs=].
144* ''Euphoria: Building a Better Dystopia'': The titular city is shown in the board artwork to be powered by humans on giant wheels.
145* ''TabletopGame/RocketAge'': Some of the worst-off Martian Principalities are forced to resort to using slaves in wheels to provide some little power to the palace. Understandably this is seen as pathetic by everyone else.
146* ''TabletopGame/{{Spelljammer}}'': Gnomes use giant space hamsters to power much of their goofy technology.
147* ''TabletopGame/WarhammerFantasy'': The Skaven, a race of anthropomorphic RatMen, make frequent use of this:
148** Doomwheels are Skaven warmachines resemling circular chariots bristling with warpstone weaponry, powered by a swarm of rats running inside. They have a tendency to malfunction spectacularly and go rolling over and zapping their own side, and are more often than not played for laughs.
149** The ships of the piratical Clan Skurvy are powered by teams of Skaven running on giant treadmills, allowing them to move in reverse. In ''TabletopGame/WarhammerFantasyRoleplay'', they move using their captains' Intimidate skill rather than Sail or Row as usual.
150[[/folder]]
151
152[[folder:Theme Parks]]
153* In ''Ride/StormForceAccelatron'' at [[Ride/UniversalStudios Universal's Islands of Adventure]], the Accelatron device is powered by guests manually spinning the pods they're riding in.
154* Kevin Ham's Noah-themed "Ark Encounter" has a video animation display that depicts an elephant on a treadmill powering a pumping system to deliver fresh water to the animals and haul away their wastes.
155[[/folder]]
156
157[[folder:Video Games]]
158* In ''VideoGame/TwentyXX'', one of the bosses is the Rollster Beta, an oversized hamster-like creature inside a large, bladed wheel.
159* ''VideoGame/BlackBox'': One of these provides mechanical power to the contraption.
160* The ''VideoGame/DarkSouls'' games have many elevators that operate without any visible power source. As a joke on this, the especially-enormous Blighttown elevator in ''VideoGame/DarkSoulsI'' is all run by a single, small dog in the upper wheel.
161* ''VideoGame/DayOfTheTentacle'': Dr. Fred's lab features a hamster-powered generator, which is pretty much ExactlyWhatItSaysOnTheTin. Finding it and getting it running in the future is the key to powering Laverne's Chron-O-John.
162* ''VideoGame/DrakeHollow'' has a treadmill as the first electricity-producing item, usable both automatically by the Drakes and manually by the players.
163* In ''VideoGame/Fallout4'', the "Power to the People" quest is about Vault 88's attempt to turn exercise, a "waste of time and energy," into something productive. Hence, an exercise bike that powers the Vault! The Overseer particularly wants to try stuff like administering addictive Buffout on the cycle or using ElectricTorture to get better results. Ted, on the Pre-War research team, just wanted to make a good exercise bike with a nice environmental enhancer. [[TheFriendNobodyLikes Everyone hated him]].
164* ''VideoGame/FinalFantasyX'': Ferries are powered by [[HorseOfADifferentColor chocobos]] running in hamster wheels. Justified, since a more advanced engine would presumably break Yevon's taboo against machina.
165* In ''VideoGame/GranblueFantasy'', the Odajumoki Gang's Ultra Dog-On-Wheel Battleship Jenkins operates under this mechanism, with a dog in place of a hamster. One of the members mention that dogs are the fastest animal they can get a hold of, made them run on a giant wheel, and subsequently pull boats forward ''at sea''.
166* ''VideoGame/{{Grounded}}'' includes an upgrade option for its zipline system: a geared line-trolley that can propel zipliners along upward-slanting or horizontal cables. Its power source is a cute little aphid that runs on top of a tiny treadwheel.
167* The video game ''VideoGame/TheIncredibleMachine'' has two flavors of this; one is a mouse on a wheel that runs when something collides with his box, and the other is a mandrill on a treadmill with a bunch of bananas hidden by a curtain which can be raised by pulling a rope. Since the game has absolutely no concept of thermodynamics, these power sources can be [[PerpetualMotionMachine surprisingly effective.]]
168* ''VideoGame/IslandExperiment'': The Sweet Kingdom archipelago's Donut Island has an irrigation system that's powered by bunnies running inside giant hamster balls. You need to trap the escaped bunnies, put them inside, and hang carrots in front of the balls so they'll go back to running.
169* In the adventure game ''VideoGame/{{Journey to the Center of the Earth}}'', you can lure a tiny fruit-eating dinosaur into the cage on a strange cart, so it will run inside the ball-shaped cage and propel the vehicle.
170* ''VideoGame/KirbyAndTheForgottenLand'' has this as the fate of the Waddle Dees that the Beast Pack capture, powering the secret lab of the main antagonist.
171* ''VideoGame/TheLastOne'': One of the devices with which you can equip your stronghold is powered by a zombie in an exercise wheel. A live rat dangles on a rope in front of the zombie to bait it into mindlessly trudging along.
172* ''VideoGame/{{Limbo}}'': One puzzle involves luring a creature to a wheel to get it to power a WeatherControlMachine.
173* One of the bosses in ''VideoGame/{{Magicka}}'' is "The Machine", a massive mechanical DeathTrap powered by a single orc on an exercise bike.
174* In ''Film/MontyPythonsTheMeaningOfLife'' (the video game) there's a rather convoluted puzzle wherein you put a rude French mouse in a wheel and attempt to make him run by giving him the proper motivation (not [[StockAnimalDiet cheese]]). Later on, you get a small elephant who can be convinced to run if given a peanut, which results in a door being opened.
175* ''VideoGame/MysteryCaseFiles'': One of the locks in ''Ravenhearst'' opens when you get a ''mechanical'' mouse to enter and use a wire exercise wheel.
176* In ''VideoGame/OxygenNotIncluded'', the Manual Generator is your starting Power building, and your main source of power for much of the early game. It's an oversized hamster wheel that your Duplicants run on in order to charge your batteries and provide power to your space station's machinery. Eventually, you can tech up to coal, diesel, and hydrogen power plants, but since the hamster wheels only need a duplicant with nothing better to do, produces no waste product, and produce very little heat, it remains viable well into the late game especially as jump-starters to power plants that require a pump of some kind to feed them with. As a bonus, whichever duplicant is on the wheel gradually improves their physical stats.
177* In ''VideoGame/RuneScape'', Ashdale and Zanaris both have flour mills powered by a cow in a wheel.
178--->'''Examine Text:''' At least she's getting her exercise.
179* ''VideoGame/ShantaeHalfGenieHero'': Part of the plot is helping Mimic build a device to repel evil from Scuttle Town and using one of these as its power source. It's slightly more plausible in that the hamster is zombified and thus doesn't have a need for things like eating or sleeping to keep it from running the amount of time needed.
180* One of the game paths in ''VideoGame/SpyFox in Dry Cereal'' reveals that William the Kid's fortress is powered by dozens of hamsters baited by carrots. Getting a crucial item from a room next door requires temporarily removing all the carrots, which immediately causes all the hamsters to fall asleep, thus cutting the power.
181* In ''VideoGame/{{Starmancer}}'', a treadmill is the first form of power generation you obtain. When colonists use one, their job is set to "Pretending to be a hamster."
182* ''VideoGame/TheStrangeAndSomewhatSinisterTaleOfTheHouseAtDesertBridge'' has Hamsters [[DoomyDoomsOfDoom of Doom]] who provide power to the house by running in wheels. However, they stopped running due to not being fed.
183* Mentioned in ''VideoGame/{{Stray|2022}}'', when one of the young Antvillage robots speculates that a Zurk running in a wheel could generate power.
184* In Chapter 2-3 of ''VideoGame/SuperPaperMario'', this is one of the punishments that Mimi uses for those tricked into her slave labor. You can do this yourself to earn the money needed to pay for a crucial hint to pay off your own debt.
185* In the Collectors' Edition of the casual game ''VideoGame/{{Surface}}: Mystery of Another World'', catching a hamster and putting it into such a device is necessary to open the portal home.
186** Also used in another ''Surface'' game, ''The Soaring City'', in which a hamster running on a wheel powers up some thrusters that levitate its cage, revealing a trapdoor underneath.
187* ''VideoGame/{{Syberia}}'': One puzzle in the Voralberg Factory involves getting a clockwork rat into a wheel to provide power. This is also a bit of {{foreshadowing}} for the sequel, where you need to get a [[MixAndMatchCritters youki]] into similar contraptions to provide motive power for other devices.
188* ''VideoGame/{{Timberborn}}'': One option for supplying power for buildings is a power wheel that a beaver walks on. It's not powerful, but it is constant for as long as your beavers are working, making it Boring, but Practical. In particular, it provides just enough power to keep a lumber mill or other basic powered building humming along when a drought freezes your water wheels.
189* ''VideoGame/Tropico4'': After building an airport, Penultimo and Sunny may report about it. When Penultimo describes how high-tech the air traffic control system is, Sunny claims to see a hamster wheel powering it.
190* One of the electricity generators in ''VideoGame/TheUniversim'' is a giant hamster wheel that Nuggets must run in.
191* In ''VideoGame/XenobladeChronicles1'' and ''VideoGame/XenobladeChronicles2'', the [[RidiculouslyCuteCritter Nopon]] use this to power [[BambooTechnology their technology]], with themselves as the hamsters. Typically the runner is a volunteer, but Nopon criminals like [[spoiler: Bana]] are given an extra turn on the wheel as a CoolAndUnusualPunishment.
192[[/folder]]
193
194[[folder:Web Animation]]
195* ''WebAnimation/HololiveHoloNoGraffiti'': [[Characters/HololiveEnglishGenerationTwoCouncil Hakos Baelz]]'s debut episode ends with her powering the office via hamster wheel, as punishment for attempting a [[SwarmOfRats rat-based revolution]].
196* In the ''WebAnimation/StrongBadEmail'' "[[Recap/StrongBadEmailE186Environment environment]]", Strong Bad tries to make his energy-sapping, outdated laptop computer more environmentally friendly by rigging it to run on "green" energy... in the form of the Cheat painted green and running on a hamster wheel.
197-->'''Strong Bad:''' Only seventeen more hours, and I can press "send".
198[[/folder]]
199
200[[folder:Webcomics]]
201* [[http://kevinandkell.com/1996/kk1203.html A cost-cutting measure]] at Caliban Academy in ''Webcomic/KevinAndKell'' has Bruno (and presumably other students) running in a giant wheel to power the school.
202* The main characters' ship in ''Webcomic/{{Melonpool}}'' is powered by Sammy the giant hamster running on a wheel.
203* In ''Webcomic/SaturdayMorningBreakfastCereal'', turning the crank on a generator was determined to be Superman's best way of helping humanity, resulting in his preserved body being labeled as [[http://www.smbc-comics.com/index.php?db=comics&id=2305#comic "a transitional power source".]]
204[[/folder]]
205
206[[folder:Web Originals]]
207* In ''WebOriginal/ProtectorsOfThePlotContinuum'', electrical power to HQ is provided by generators driven by dead authors spinning in their graves by reason of all the terrible fanfic.
208[[/folder]]
209
210[[folder:Western Animation]]
211* ''Animation/AdventuresOfCaptainVrungel'' (and the novel it was based on) plays with this trope. When the eponymous Captain saves a bunch of squirrels from forest fire and tries to unload them in a zoo, local ObstructiveBureaucrat tries to charge him with contraband, since the animals obviously aren't included in the ship's cargo manifest. To fend off the charge, Captain declares the squirrels to be part of his ship's propulsion system and proves it by quickly building two giant squirrel-powered paddle wheels.
212* In the ''WesternAnimation/BettyBoop'' short "Be Human", Grampy punishes an abusive farmer by trapping him in a pit and making him run on a treadmill (complete with whip) to power his mechanical farm.
213* An episode of ''WesternAnimation/ChipNDaleRescueRangers'' involved the MadScientist Dr. Nimnul hypnotizing mice and forcing hundreds of them to run on wheels to power his latest evil invention. Monty is among the first to be caught up in it, which is how the Rangers end up on the case. Gadget is able to avoid it at the beginning due to wearing earplugs, but later gets hypnotized as well. Dale tries to reverse hypnotize the mice, but screws it up and ends up hypnotized as well.
214* Much of the 2x4 technology used by the ''WesternAnimation/CodenameKidsNextDoor'' is hamster-driven. One episode centered on Numbuh 3 giving all their base's hamsters a vacation, leaving the team undefended and nearly unarmed.
215* In the ''WesternAnimation/DennisTheMenace'' episode "Wheeling and Double-Dealing", Winston's perpetual motion race car is powered by three rats running on a wheel.
216-->'''[=PeeBee=]''': It's just like you to be powered by rats!\
217'''Winston:''' Hey, why have friends if you can't take advantage of them?
218* ''WesternAnimation/DextersLaboratory'' has the titular boy genius attempt to power up his burned-out lab by rigging together dozens of hamsters in wheels. However, they all just tire out within minutes.
219* In ''WesternAnimation/TheFairlyOddParents'', Timmy's dad made a computer whose "power source" is a hamster in a wheel. In another episode, Cosmo turns into a hamster to run on a wheel to keep TheMostDangerousVideoGame going (since Timmy, Chester, and AJ will die if the power goes out).
220* This is how many devices work on ''WesternAnimation/TheFlintstones'', such as the record player.
221* ''WesternAnimation/{{Futurama}}'':
222** Animatronio, a Renaissance robot built by Creator/LeonardoDaVinci in "[[Recap/FuturamaS6E5TheDuhVinciCode The Duh-Vinci Code]]", is powered by a rat-wheel in his chest.
223** The wooden spaceships that carry people to and from the [[SpaceAmish Amish planet]] in "[[Recap/FuturamaS6E19GhostInTheMachines Ghost in the Machines]]" are powered by oxen on a treadmill.
224* ''WesternAnimation/GravityFalls'' has the [[NiceGuy good-natured]] if rather [[BrainlessBeauty dim-witted]] BoyBand Sev'ral Timez being employed to run on a treadmill during the events of "[[Recap/GravityFallsS2E20WeirdmageddonPart3TakeBackTheFalls Weirdmageddon Part 3]]" to provide a substantial amount of energy. [[spoiler:Turns out you can power a HumongousMecha with five cloned twits running in unison]].
225* The Riddler is subjected to this in ''WesternAnimation/HarleyQuinn2019'', powering the crew's mall lair for a period of time. He's not happy about it. It bites the crew in the butt later because all that labor [[TookALevelInBadass bulked him up enough to thrash them all]]. Fortunately for them, by that point he voluntarily returns to running the mill because he likes his gains.
226* In the ''WesternAnimation/HouseOfMouse'' short "Futuremania", Ludwig Von Drake shows Donald a personal future where everything is powered by his three nephews on treadmills.
227* A FreezeRay in ''WesternAnimation/LeagueOfSuperEvil'' is powered by a hamster running in a wheel. It wears little jogging accessories.
228* ''WesternAnimation/LetsGoLuna'': In the episode "Lights Out!", one of the gang's methods for powering Senor Fabuloso's hat light is to have someone run on a hamster wheel that is connected to the hat light and powers it. This doesn't work, as the wheel's runner runs out of running energy and gets launched off the wheel.
229* In ''WesternAnimation/TheLittleRascals'', many of Buckwheat's devices are powered by Pete running on a treadmill, with a bone or a piece of meat suspended above him.
230* ''WesternAnimation/PhineasAndFerb'':
231** Norm the Robot Man runs on squirrel power.
232** Drusselstein, home of the Doofenshmirtz clan, runs on a big shaft driven by rabbits, as seen in "The Doonkleberry Imperative". It stops working when they upgrade to "goat power" but the citizens can't agree upon which way the goats should turn.
233* In ''WesternAnimation/PinkyAndTheBrain'', many of Brain's devices are powered by Pinky running along the wheel in their cage. Justified as they are mice.
234* ''WesternAnimation/RazzberryJazzberryJam'': In “Jazzberries Unplugged”, Buddy thinks he can power the House Of Jam after the generator goes out by running on a treadmill. Needless to say, this doesn’t work very well… on its own, but when combined with a few solar panels and windmills (don’t ask where he got those) it can, in fact, power The Shock’s massive pile of amps.
235* In the ''WesternAnimation/RickAndMorty'' episode "[[Recap/RickAndMortyS2E6TheRicksMustBeCrazy The Ricks Must be Crazy]]", when [[MadScientist Rick]]'s car power supply fails, he takes Morty inside the battery, where Rick explains to Morty that he created a "Microverse" and waited until a sentient life form evolved that he then gave gooble boxes, a device that generates electricity when used to exercise by walking in place. After Morty tries to explain that Rick essentially enslaved an entire planet, Rick responds that since the people of the Microverse created a complex society where anyone who gets old and dies is replaced by someone younger, [[SlaveRace Morty replies "that's just slavery with extra steps"]], to which Rick just brushes him off. When they encounter Zeep, basically an {{Expy}} of Rick, Zeep reveals that to power his world, he created a "Miniverse", waited until a sentient life form evolved, to which he gave flooble cranks, a lever-based exercise devise that generates electricity, and thus render the gooble box obsolete. [[{{Hypocrite}} When Rick mentions that Zeep enslaved an entire planet]], Zeep responds that since the people of the Miniverse created a complex society, they aren't slaves, when Rick says [[IronicEcho "that's just slavery with extra steps"]], Zeep just brushes him off. When they go into the "Miniverse", they encounter a scientist named Kyle who created a "Teenyverse", and when a sentient life form evolves, he'll give them a blooble yank, a pulley-based exercise device that will render the flooble crank obsolete. When Zeep tries to explain that he's planning to enslave an entire planet, Kyle responds that since the people of the "Teenyverse" will live in a complex society, they won't be slaves. As Zeep mentions "that's just slavery with extra steps", he attacks Rick when he realizes why they are there. As they are arguing, Kyle realizes why he was born, climbs into his ship, and crashes it, stranding Rick, Morty, and Zeep in the Teenyverse. At the end, once they manage to exit the Teenyverse, and after [[InferredHolocaust Rick destroys Zeep's Miniverse]], they enter the car, and when it starts, Morty asks how that's possible, to which Rick responds that Zeep would realize that either everyone needs to keep using gooble boxes, or Rick [[DeadlyEuphemism "would have to toss a broken battery"]].
236* In the Upsidasium story arc of ''WesternAnimation/RockyAndBullwinkle'', it is revealed that vehicles in Pottsylvania are revolutionary (which is to say, they "revolve"), thanks to the power of tiny squirrels running in wheels.
237* ''WesternAnimation/SnooperAndBlabber'' are in an auto race competing against a VillainOfTheWeek, who late in the race steals their motor. Snooper wins the race regardless, and when the villain asks how, Snooper opens the hood and shows him: He used Blabber in a hamster wheel.
238* ''WesternAnimation/StarVsTheForcesOfEvil''
239** In "[[Recap/StarVsTheForcesOfEvilS1E8QuestBuy Quest Buy]]", it's revealed the power source of Star's magic wand is a tiny unicorn running on a treadmill (they're called "millhorses" in ''Literature/TheMagicBookOfSpells'', and the wand has had several different ones over the years).
240** In "[[Recap/StarVsTheForcesOfEvilS1E17FreezeDay Freeze Day]]", all of ''time itself'' is run by Father Time running inside the Wheel of Progress. When Star makes [[TimeStandsStill time stand still]], Father Time gets off the wheel for the first time in literally forever and now doesn't want to go back inside the wheel and start time running again. At the end of the episode, they discover that giant hamsters roam in Father Time's dimension and Star says she's figured out how to start time back up without Father Time having to get in the wheel. Marco naturally thinks she means to have a hamster run in the wheel, but instead [[Funny/StarVsTheForcesOfEvil she transforms the wheel into a hamster-drawn carriage that Father Time can ride around on]]. She assumes this was also what Marco thought would be the logical solution.
241* The ''WesternAnimation/SuperMarioWorld1991'' episode "The Wheel Thing" involves Mario and Luigi attempting to aid the cave people by introducing cars into their society. With the internal combustion engine nowhere near feasible with their current tech, Goombas are used to power the cars.
242* [[BaseOnWheels The Technodrome]] from ''WesternAnimation/TeenageMutantNinjaTurtles1987'' has an Emergency Pedal Power Generator in case it runs out of fuel, [[AwesomeButImpractical which it does often]]. Justified, as the generator clearly isn't meant to be the primary energy source of a 500-foot tank-fortress; it provides just barely enough power for the main computer to work.
243* In the ''WesternAnimation/TeenTitans2003'' episode "[[Recap/TeenTitansS4E2CyborgTheBarbarian Cyborg the Barbarian]]", Cyborg gets sent back in time and his drained power cells are recharged by a combination human hamster wheel/waterfall-powered dynamo.
244* The Arkansas Chuggabug in one episode of ''WesternAnimation/WackyRaces'' runs on squirrels. The squirrel speeds up when Luke feeds him H.R.P.: "Hot roasted peanuts, for more power!"
245* Zach Varmitech used a cheetah to power his cheating racer in ''WesternAnimation/WildKratts''
246* ''WesternAnimation/YogisGang'': Magilla powers up the ark's flying mechanism by running on a treadmill.
247[[/folder]]
248
249[[folder:Real Life]]
250* The English word "treadmill" comes from a device that was ExactlyWhatItSaysOnTheTin: a mill (usually in or associated with a debtor's prison) operated by people walking inside a very large wheel of treads.
251* Cranes used in the construction of RealLife medieval cathedrals and castles were powered by humans walking inside giant wheels. Often the wheels would be operated by blind men since they would not get vertigo from looking down, and this allowed even disabled people to participate in important work that was pleasing to God. They’d have been pretty helpless up there in case of an accident, though.
252* The Turnspit was a breed of dog (now extinct) created for the purpose of operating wheel-powered meat spits in kitchens. No, this wasn't abusive to the dogs (aside from being in a hot sweaty kitchen); most if not all houses which used them would have two, so they could work in shifts. The dogs were well aware of how long their shifts were supposed to last, and would jump out of the wheel and refuse to work any more if necessary until their fellow got to work!
253* [[https://en.wikipedia.org/wiki/Belgian_Mastiff The Belgian Mastiff]] was a dog bred for pulling cannons and machine guns in wartime, carts full of goods in peacetime. The damage to Beligum and the Low Countries from [[UsefulNotes/WorldWarI the first]] and [[UsefulNotes/WorldWarII second]] world wars and increasing mechanization caused the breed to go extinct.
254* There were plans after both world wars to power Europe using handcarts with generators installed on them, given that there was a surplus of men and rail lines.
255* Thanks to some students at RIT, the human-powered variant is now closer than ever to being TruthInTelevision. A team of students from the university's Engineering House have constructed a [[https://www.rit.edu/news/running-circles-engineering-students-build-human-hamster-wheel wooden human-sized hamster wheel]] that actually converts the energy from walking or running on it into electricity. Of course, the tiny amount of electricity generated just by walking makes it less than practical, and it was intended more so as a fun engineering challenge than anything else -- [[JustThinkOfThePotential but if, say, you had a whole bunch of them...]]
256* Some RealLife exercise balls for pocket pets are enclosed in a framework that makes them look like racecars, emulating this trope.
257* {{MMORPG}} players tend to jokingly refer to their game's servers as being powered by either "server hamsters" or a similar creature from the game's universe (for example, tribbles in ''VideoGame/StarTrekOnline''). As such, instances of servers being down are attributed to the "server hamsters" either misbehaving or not being properly taken care of.
258* A few brands of exercise bike use the pedals to charge the batteries for their onboard electronics.
259* On a related note, the ''Gilligan's Island'' example in Live-Action TV has some historical precedent: Military radio sets were powered this way in the field during the early years of the 20th century when compact petrol or diesel generators were unavailable.
260* There is a fitness club in Times Square whose stationary bicycles generate and store the electricity which lights the New Year's Ball.
261[[/folder]]

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