Catapults & Crossbows calicocritters Walking's more fun when you

Walking's more fun when you have a friend to pull along

But when he needs help

balance banana on head

Leaves no residue or marks on surfaces

Catapults & Crossbows calicocritters Walking's more fun when youIts time to get medieval on physics! Build ten sleek and updated models of catapults and crossbows. These classic siege weapons from the middle ages also happen to be great tools for teaching physics, including lessons in force, energy, motion, and projectiles. A crossbow is a medieval type of weapon based on a bow and arrow, in which the bow is mounted horizontally on a stock. Build and experiment with five different types of crossbows. The