Assemble set series Leonardo da Vinci improved upon the already-established catapult design when he introduced his own vision 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 produces a large amount of energy in order to propel stone projectiles or incendiary materials over great distances. Interpretation of the original Leonardo da Vinci's design/ copyright by Leonardo3 - www.leonardo3.net - All rights reserved

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272mm (L) x 81mm (W) x 225mm (H)