Purple Crystal Lab Ages 2 to 5 The motor has a reducer

The motor has a reducer that makes the connecting rod move once to the right and once to the left

propellers

developed and manufactured entirely in Italy

This is the perfect gift for any child to help spark their interests in astronomy

Purple Crystal Lab Ages 2 to 5 The motor has a reducerDAZZLING CRYSTALS The perfect family activity. Become a scientist and grow amazing purple crystals with this classic science kit! INTERACTIVE LEARNING Theres no better way for your child to explore the wonders of science then through a hands on science project EXPLORE CHEMISTRY National Geographics premium learning guide will teach kids the fascinating science behind this experiment REAL ARAGONITE CRYSTAL Includes a real Aragonite crystal for your