How powerful can an air pressure machine gun with a firing rate of 1200 be made from a Coke bottle?

Isn't this a perpetual motion machine?

122.9K Views

I asked my wife for 3,000 to buy a computer desk, and I made one myself while she was away, leaving

598 Views

Moldy yellow pear wood was thrown on the side of the road. Fortunately, I picked it up and brought i

4.2K Views

Two-wheel-drive bike, hand-assembled!

9.6K Views

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

3.7K Views

Cyber bike

66.4K Views

The ultimate mechanical short legs!

3.8K Views

What would be the effect of removing the iron branch in the bicycle tire and replacing it with a sho

2.6K Views

This machine engraving is no worse than manual carving! How much can you score?

15.5K Views

Let's see what Uncle did with his new German Miter Saw? New round of unboxing

285 Views

A car powered by CO2 VS a pressurized Coke can, who is faster?

7.9K Views

genius handyman invention

14.9K Views

Fall in love with rainbows, burn rainbows!

1.4K Views

cave car

1.3K Views

Homemade Shotgun

7.7K Views

spooky creativity

33.4K Views

Don't throw away the crab shells after eating, add some parts, the straight man of steel is crying

75.3K Views

Make a slot machine game and play it at home!

420 Views

How to ride this bike that bends over?

5.8K Views

How to make a lighter that works "forever"

26.4K Views