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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Plus-Plus bricks are precision crafted in Denmark and are BPA-free and phthalate-free european plastic
Each model demonstrates a basic principle of mechanical physics or structural engineering in a hands-on way
No batteries required
watch it roll to the next stop
FizzRocket Best Seller Plus-Plus bricks are precision craftedPowered by vinegar and bicarb soda (not included). This is a hands on, rocket science experiment. Reusable for hours of play! Comes with full Instructions for perfect launching. Suitable for outdoor use only. Contains small parts, adult supervision required for children under 14 years of age
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