Catapults + Crossbows, Ages 8 +
$24.99
item #: TK665107
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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
