KIZ1040 Features: * Pieces are forged from high quality steel * Instead, it uses a powerful solar panel to encourage environment friendly play * Once built, simply place Solar panel directly under sunlight and watch in amazement as it automatically powers up * Each kit builds up to three solar powered models * Use your imagination and creativity to learn the basics of metal building * Step-by-step illustrated instructions for easy building * Hands-on building teaches kids valuable three-dimensional skills Construction: * Solar powered airplane and helicopter construction set * Designed, engineered and manufactured in Germany Specifications: * Designed to teach children the basics of solar power, the C72 works without generators or batteries