This set includes a 3V solar panel that powers an electric motor, along with instructions for building 16 solar models, including a helicopter car, a fan, a plane, a robot, and a crane with a winch. Easy-to-follow building instructions for all models can be found online or in the included manual. The manual provides detailed explanations of the scientific principles involved and incorporates innovative experimental activities for hands-on learning. There's also a Quiz section to test your newfound knowledge!