How to make a Pneumatics?
A simple Pneumatic gun could be made with your own hands with the Coca-Cola plastic bottle 0,5 or any other soft drink bottle.
Step 1: To Do a Simple Pneumatic Gun You Need!!!
Step 2: Step and Step How to Make a Pneumatics With a Plastic Bottle!
Such a gun can shot with a tool on a distance of a few meters and pierce a carton, a fiberboard, a thin metal.