NATIONAL GEOGRAPHIC – Da Vinci’s DIY Science and Engineering Construction Kit – Build Three Functioning Wooden Models: Catapult, Bombard and Ballista
$28.98
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Brand: National Geographic
- 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.
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