Fall in love with rainbows, burn rainbows!

Cyber bike

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

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Build dog temples as shelters for rescued dogs!

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The ultimate mechanical short legs!

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This domino is awesome

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

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Full of life experience, let you avoid 30 years of detours!

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1/100 km only needs a lighter

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Children's classic marble toys, rainbow plastic pipe wooden track assembly game, super decompression

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New concept unicycle !!!

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Homemade fast roller skates started with an electric screwdriver!

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This machine engraving is no worse than manual carving! How much can you score?

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[Decompression space sand] This watermelon is so perfect that it hits my heart...... Please cut it w

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Moldy yellow pear wood was thrown on the side of the road. Fortunately, I picked it up and brought i

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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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I heard that people who walk with their feet turned inside out are cuter.

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spooky creativity

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Toothpick Challenge

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Two different materials produce a wonderful reaction! ! !

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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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