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 a 100% 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.
- Build three remarkable machines: a ballista (an enormous crossbow), a bombard (an early form of the cannon) and a mighty catapult.
- Send projectiles up to 15 feet! Each model is fully functional; the kit comes with 15 projectiles plus 18 paper targets.
- Everything you need to assemble each model in 1-3 hours: laser-cut wooden components, rubber bands, sandpaper and clear, simple instructions. No special tools necessary.
- Great for kids and adults, This kit is the perfect STEM school project or an office game.
- 100% satisfaction guaranteed. For 129 years, NATIONAL GEOGRAPHIC has been a brand you can trust for scientific and educational excellence.