How to Create Pneumatic Potato Cannon

A tutorial on how to make a cheap, pneumatic potato cannon powered by a bike pump from easy to get materials. It's really simple to make, but don't underestimate its power. They can shoot straight through a pretty thick sheet of plywood and break windows. Be smart and be careful when you are using one. Do NOT hold me responsible if you get hurt!!!

View the video here and read about the required parts at instructables.com