FizzRocket Best Seller Each model demonstrates a basic

Each model demonstrates a basic principle of mechanical physics or structural engineering in a hands-on way

Hiding beneath one of the flaps

Stick them to any flat surface you can imagine

The Land of Unicorns is in trouble -- it has been raining and raining for what seems like forever

and right turn

FizzRocket Best Seller Each model demonstrates a basicPowered 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