Catapult - Leonardo Da Vinci Kit # EDU-61009

The scientific genius of Leonardo da Vinci is brought to life through this articulated model. The invention that inspired this snap-together replica is taken from the pages of Da Vinci's priceless and awe-inspiring notebooks. This model is made of plastic, snaps together and requires no special tools. The manual is very educational and teachs how this invention has evolved into what it is today. Leonardo da Vinci improved upon the already-established catapult design when he introduced his own vision the 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. No batteries required. Also known as DV010