Da Vinci Catapult

3DMakerWorld, Inc. Verified independent store

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Key Features: Make learning fun with this historical 3D Model Kit - it actually moves! Easy to assemble Instruction manual included Sturdy plastic construction Leonardo Da Vinci im proved upon the already-established catapult design when he introduced his own version to the age-old military launching device. The plans for the new catapult employed a hand-crank that caused tension on the throw arm before releasing a projectile. His unique spring design produced a large amount of energy in order to propel stone projectiles or incendiary materials over great distances.Item SpecificsAges: 8+Number of Pieces: 17WARNING CHOKING HAZARD- Small parts. Not for children under 3 yrs. Show more