This Car Travels Farther Than You Push It
14:03
Building a Turbine Car
18:06
How Many Marbles Does it Take to Charge My Phone?
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Gearless Magnet Bike
14:40
More Bizarre Attempts at Perpetual Motion Machines
17:14
Building the FASTEST Slot Car
24:08
Testing 8 Innovative New Boat Propeller Designs
14:34
Bizarre traveling flame discovery
23:05