Solar Power Kits by Dioju. Details:Great STEM Education Solar Robot Kit for Kids age 6-12 Little engineers can get excited and get moving! With detailed and clear instruction, this STEM robotics kit is powered by the sun(no battery needed), and has 2 levels in building the robot as to complexity, from beginner to challenging levels that improve kids creativity and self-confidence. It also provides parent-child interaction time. Stay away from mobile phone, TV and other electronic devices, and get endless fun in researching and building robots! Package Included: 4 x parts board 1 x gear parts pack 1 x solar panel 9 x transparent bags for distinguish parts and parts stickers 1 x sticker to decorate the robot 1 x detailed assembly instruction Please Note: * The quantity of each part is just right, please collect all parts to avoid loss. * After assembling the gear box, please run a test before starting to build your robot. * Please remind your kids not to put pars in their mouth, there...