Leonardo Da Vinci Catapult DIY Kit
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Leonardo Da Vinci Catapult DIY Kit - 3DY-EL209 (Elenco). Make your own model of one of Leonardo Da Vinci's inventions! Leonardo da Vinci improved upon the already-established catapult design when he introduced his own version to the age-old military l
Make your own model of one of Leonardo Da Vinci's inventions!
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 throwing 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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