K'nex Marble Coaster Run 3 Model Building Set Harry Potter (Character) Allergen Advice: Please see ingredients

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K'nex Marble Coaster Run 3 Model Building Set Harry Potter (Character) Allergen Advice: Please see ingredientsGet ready for the ultimate building set for aspiring engineers and thrill seekers: the K'NEX Marble Coaster Run with Motor! This innovative new set allows you to flex your creative muscles and build a fully functional marble coaster from the ground up. With over 500 pieces and multiple template builds, this model kit is perfect for all skill levels from beginner to pro. Hook up your coaster to the working motor and watch your creation come to life