NATIONAL GEOGRAPHIC Construction Battalion Model Kit

Discover Da Vinci?s Workshop with three of National Geographic?s best-selling da Vinci?s Invention Products.This kit includes 3 DIY building projects: Bombard, Catapult and Ballista. No special tools are required for you to build these three incredible inventions from Leonardo da Vinci.Everything is included in this kit:- Laser-Cut Wooden Components- Rubber Bands- Sandpaper- Clear, simple Instructions.National Geographic Toys is proud to provide a100% satisfaction with all our products so that you can buy with confidence.About the National Geographic Society: With a mission to inspire people to care about the Planet, the 131-year-old National Geographic Society is one of the world?s largest nonprofit scientific and educational organizations. National Geographic?s net proceeds support vital exploration, conservation, research, and education programs.