A slingshot pistol that you can make at home, do you need to test the initial speed?

Don't throw away some parts for the finished lobster, the straight man of steel is crying

32.2K Views

I set fire to my house...

21.8K Views

Do you dare to sit in a canoe made of only twigs, plastic wrap and tape?

4.7K Views

Cyber bike

66.4K Views

The most creative safe in the world: a lock with a magnet!

5.6K Views

Superheroes In All Squid Game Games

14.0K Views

1/3 tire + 1/3 tire + 1/3 tire = 1 tire

111.5K Views

How powerful can it be to propel a car with carbon dioxide? Plus a crash simulation experiment!

3.7K Views

new ship equipment

8.6K Views

Handmade|Environmentally Friendly Rolling Calendar

9.0K Views

Two-wheel-drive bike, hand-assembled!

9.6K Views

Isn't this a perpetual motion machine?

122.9K Views

Lighten your toolbox! A real man's must-size adjustable wrench!

25.1K Views

10 brain-opening uses for lighters

5.1K Views

Hidden Arrow is being fired

2.2K Views

The ultimate mechanical short legs!

3.8K Views

Today is another very "punishment" day, da da da

20.4K Views

Hand-forged "The Ring of Eldon | Old Man's Ring"

15.9K Views

[Origami] Handmade triangular compound bow, high simulation, long range, so cool to play shooting ga

8.8K Views

Build a rubber band machine gun out of corrugated paper and hold up to 120 rubber bands!

7.5K Views