We made these potato cannons early last year with the goal of being more compact than any of our previous models. They worked great for firing water balloons.
Warning: Projects on this site may be dangerous and the articles do not describe many of the dangers involved. Check with local law enforcement to make sure activities are legal in your area, and proceed with projects only if you agree to release all responsibility from the creator of the article and SuperSoda.com. All articles are copyright SuperSoda.com unless otherwise stated.