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

Topology puzzles from childhood

xiaozhukuwan

3.5K Views

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

xiaozhukuwan

665 Views

[DIY] Combining Folding Table With Locker

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3.7K Views

unexpected results

xiaozhukuwan

1.3K Views

Topology in life (4)

xiaozhukuwan

3.0K Views

Cardboard track ball, rotating elevator successfully tested

xiaozhukuwan

12.3K Views

Just make a simple spinning top from childhood, how many people still remember its name?

xiaozhukuwan

6 Views

The Impossible Twelve Copper Pillars

xiaozhukuwan

4.5K Views

Amazing tool, so creative

quantum_tech_hd

7.1K Views

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

xiaozhukuwan

21.1K Views

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

xiaozhukuwan

160.7K Views

A piece of scrap iron, cut, polished and welded with a scrap drill bit, unexpectedly easy to use

baguayixia

252 Views

The Adventure of Rolling Balls in Life

xiaozhukuwan

21 Views

Wooden track ball, tested successfully

xiaozhukuwan

14.1K Views

How do you think it can be taken out?

xiaozhukuwan

3.6K Views

Super comfortable and extremely stress-relieving

qiqutu

50.8K Views

Do you still believe your eyes?

xiaozhukuwan

36 Views

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

xiaozhukuwan

157 Views

Getting a Beautiful Red Wine Glass from a Piece of Deadwood.

Shanmeizimuyi

4.3K Views

Fans sent a piece of Dalbergia, which they bought 18 years ago.

Muyizhouxiansheng

398 Views