Overview:
A Trebuchet is a giant, lever-based catapult. Phil uses it to hurl pumpkins! Mechanical advantage and the history of the trebuchet are what's being tossed your way on this episode, along with a lot of pumpkins, heads up!
Release Date : -
Genre : Kids, Family, Documentary
Duration : 21 menit
Rating : ⭐ 0/10 (0 votes)
Actors : Phil McCordic