item number etp-ex-B081S3JWC6

NATIONAL GEOGRAPHIC – Da Vinci's DIY Science and Engineering Construction Kit & Break Open 10 Premium Geodes Includes Goggles Detailed Learning Guide 2 Display Stands

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  • 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. Manufactured by NATIONAL GEOGRAPHIC. Great for kids and adults This kit is the perfect STEM school project or an office game. DISCOVER CRYSTAL TREASURE when you break open these rocks to find amazing crystals inside! Build three remarkable machines: a ballista (an enormous crossbow) a bombard (an early form of the Cannon) and a mighty catapult. COLORFUL VARIETY of hand-selected geodes for interesting vibrant crystals 100% NATURAL GEODES may be as big as a tennis ball or as small as a ping-pong ball and are the perfect size for kids 16 PAGE FULL-COLOR LEARNING GUIDE describes how geodes are formed and details the variety found in nature

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Product Details

SKU etp-ex-B081S3JWC6
Quantity Available in Stock 33
Amazon ASIN Code B081S3JWC6
Category Science Kits