Will adding a track to the balance car be like walking on the ground?

Homemade Magical Piggy Bank! Mom don't have to worry about me saving money anymore

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Giant bamboo pole

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Let Dianmo be terrified! 3x acceleration, look at silly cars

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A funny crafted tabletop waterwheel

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creative deformation chair

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1/3 tire + 1/3 tire + 1/3 tire = 1 tire

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Isn't this a perpetual motion machine?

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【Life】Satisfying kinetic sand molding & cutting

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Homemade fast roller skates started with an electric screwdriver!

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How powerful can it be to propel a car with carbon dioxide? Plus a crash simulation experiment!

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genius handyman invention

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Build a rubber band machine gun out of corrugated paper and hold up to 120 rubber bands!

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What would be the effect of removing the iron branch in the bicycle tire and replacing it with a sho

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Who said wheels should be round?

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The ultimate mechanical short legs!

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10 brain-opening uses for lighters

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Two-wheel-drive bike, hand-assembled!

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Do you dare to sit in a canoe made of only twigs, plastic wrap and tape?

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Lighten your toolbox! A real man's must-size adjustable wrench!

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A slingshot pistol that you can make at home, do you need to test the initial speed?

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