The ultimate mechanical short legs!

Make a cute little train and use corrugated paper to make small steerable rails!

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

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The most creative safe in the world: a lock with a magnet!

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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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How powerful can an air pressure machine gun with a firing rate of 1200 be made from a Coke bottle?

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Cyber bike

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A car powered by CO2 VS a pressurized Coke can, who is faster?

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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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Stop talking, get on my speedy chariot!

590 Views

Make your own holiday salute with a drained Coke can!

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

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Fall in love with rainbows, burn rainbows!

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I set fire to my house...

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

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It turns out that the pressure water pump is the principle! Simple technology and small productions

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Hilarious finger creative painting, fingertips draw a little life!

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Creative cardboard helicopter, can really fly!

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Isn't this a perpetual motion machine?

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On the first day of learning about velvet flowers, I crafted a dandelion.

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[DIY] Advanced Coin Sorting Machine

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