Automate the fun! Lego-made domino automatic card display machine

Come on, a piece of paper can be so interesting to ravage. Stress resistant transformer!

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Thriving inheritance of cultural craftsman seal cutting

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Old gadgets passed down for thousands of years, Chinese wisdom passed down from generation to genera

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Topology puzzles from childhood

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Wooden track ball, tested successfully

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If I make it real, where do you want to throw it?

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high voltage toys

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200 wooden track balls and large wave boards in multiple colors were tested successfully

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How could a six-piece T-shaped puzzle fit in?

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[Ant Farm] Coloring the Abdomen of the Cute Ants

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[Quicksand Mahjong] How to paste the background without being soaked by quicksand oil | Mei Ni North

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The Impossible Twelve Copper Pillars

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Good guy, there will be no need to build bridges in the future.

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Gizmo that travels through time and space 3

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Watch a car crushing chocolate beans

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Man's Speed Bump - Skilled Worker Series

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A little useful trick

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The charming machinery of men’s speed bumps

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