6-in-1 Rechargeable Solar Power DIY Robots Kit Educational Toy for Kids The solar power DIY robots kit can transform into six different motor driven solar models The apparatuses modules include Solar Windmill, Solar Airboat, Solar Helicopter, Solar Robot, Solar Airplane and Solar Wheeler Easy for children to assemble The sunlight illuminate the solar panel, provide a steady flow of energy to the kit No need screw, complete the assembly by simple inserting