How on earth can six nails be placed on simultaneously?

How do you think it can be taken out?

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Topology puzzles from childhood

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Candle Production Process

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"You really can't get through it without some artistic flair."

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Do you still believe your eyes?

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[DIY] Carving A Rubber Stamp Of Anmicius

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Cardboard track ball, rotating elevator successfully tested

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Can you tell at a glance how it's put together?

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Topology in life (4)

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

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Super light clay•Handmade blogger teaches you how to make Spongebob donuts

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unexpected results

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Building an underground Parthenon with a swimming pool with your bare hands? The 10 million high-pro

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The Impossible Twelve Copper Pillars

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Do you know how to take out the Rubik's Cube from the bottle?

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The Adventure of Rolling Balls in Life

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How powerful is a load-bearing bridge built with a few small wooden bars?

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I heard that the second time is on fire?

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Wooden track ball, tested successfully

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Children's handmade toys make rainbow feet with rainbow candies

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