9 Views PremiumDec 2, 2025
Cardboard track ball, rotating elevator successfully tested
12.4K Views
200 wooden track balls and large wave boards in multiple colors were tested successfully
160.7K Views
Wooden track ball, tested successfully
14.2K Views
Q-version Virtue Angel, outfit showcase
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How powerful is a load-bearing bridge built with a few small wooden bars?
45 Views
1967 Animation: Everything is Digital
19 Views
Can you tell at a glance how it's put together?
160 Views
Topology puzzles from childhood
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Do you think these six nails can be placed on at the same time?
35 Views
How to combine two fragments into an axially symmetrical figure?
21 Views
The Impossible Twelve Copper Pillars
4.6K Views
How do you think it can be taken out?
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How could a six-piece T-shaped puzzle fit in?
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04 Losing My Takeout Freedom
167 Views
Do you know how to take out the Rubik's Cube from the bottle?
670 Views
Multi-functional Bearing Puller
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The Adventure of Rolling Balls in Life
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unexpected results
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do-it-yourself
29 Views
Prediction for the fifth episode of Magic Numbers Circus
76 Views