With this construction set, children can receive their first experiences with renewable energy in a fun way. The solar rotor, a combination of solar panels and a motor, is the key component of the 3 models and uses the power of the sun to rotate the propeller. The model helicopter, air boat and fan use solar energy to move. The play figure included in the kit brings even more fun to the playroom. Specifications: - Age: 7 Years + - Item Dimensions: 22.5 x 6.5 x 18cm