Catapults & Crossbows-Kidding Around NYC

Thames and Kosmos

Catapults & Crossbows

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Build ten sleek working models of catapults, crossbows and trebuchets
Learn physics lessons in force, energy, motion, and projectiles
Build and experiment with five different types of crossbows
The projectile has a safe foam tip
Ages 8+, 32 page full color manual, 10 experiments