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

Topology puzzles from childhood

3.5K Views

“There are not 100 million artistic cells that can’t be brushed off”

11.1K Views

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

669 Views

Magnetic Games

148 Views

Converting water into hydrogen is so easy - How to make a simple hydrogen generator!!!

5.0K Views

What is this plate called?

1.6K Views

Gentle Lower Domain

3.2K Views

Hand rubbed transparent cylinder head engine! The threshing machine was out working with its baby en

386 Views

Cardboard track ball, rotating elevator successfully tested

12.4K Views

The miraculous reaction of 502 super glue meeting cotton! Can this solve all problems?

164 Views

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

160.7K Views

[Creative Origami] A pop-up sword with a mechanism! You can fold it with just one piece of paper! Th

3 Views

Do you still believe your eyes?

38 Views

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

21.1K Views

The Impossible Twelve Copper Pillars

4.6K Views

Wooden track ball, tested successfully

14.1K Views

Do you think these six nails can be placed on at the same time?

34 Views

Topology in life (4)

3.0K Views

[The weirder the facial mask, the more women love it] Weird facial masks

70 Views

[Packaging vlog] How many handmade products can I buy with 1600r?

16 Views