You're probably wondering what the hell a trebuchet is. But it's just a fancy term for a really big slingshot. Back in the Middle Ages they were used to hurl flaming balls of fire towards enemies as well as large rocks and stones. But since that's kind of mean to do, today we're focusing on making a trebuchet that flings water balloons instead, which we believe are slightly less damaging.
Check out this video to learn how to build a trebuchet using ABS plumbing pipe.