Features: Build your own solar kit with these kits. Six different working models including Solar Revolving Plane, Solar Windmill, Solar Plane, Solar Airboat, Solar Puppy, Solar Car Only one project can be completed at a for time. Great assembling toy for children to practice and empower their brain as well as becoming educated with the benefits of solar energy. Also for ideal to for express your childs' interest in science, extremely helpful for your children on for creative thinking. Solar powered, fun to for play with and requires no batteries. Easy to assemble by following the step in instruction. To perform great results, please use under direct sunlight. For best results, use outside under direct sunlight. The kit will not work in cloudy or shady locations or under a fluorescent light. The kit will not work if builted wrongly. Specifications: Color: Green with White as shown in the picture Net Weight: 82g Work life of Solar Battery: 3-5 years approx. Quantity:1Set Note: And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x Robot Kits