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Product: NATIONAL GEOGRAPHIC Construction Model Kit – Build 3 Wooden 3D Puzzle Models, Learn about Da Vinci’s Improved Designs, Craft Kits are a Perfect Gift for Girls and Boys, an AMAZON EXCLUSIVE Science Kit 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 6 paper targets.
EVERYTHING YOU NEED - Assemble each model in 1-3 hours: laser-cut wooden components, rubber bands, sandpaper and clear, simple instructions. No special tools necessary.
AN INCREDIBLE GIFT! These high-quality models are fun to build and even more fun to use! They make an amazing gift and are a fantastic STEM-based activity.
SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you. NATIONAL GEOGRAPHIC Natural