Leonardo da Vinci Edu-Science - Catapult Assemble Set

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Part Number:EDU-61009
Leonardo da Vinci improved 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.

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