12-in-1 Stem Solar Robot Kits -This stem robotics kit for kids can build more than 12 different types of robots by yourself which helps children build a solid foundation in Science, Technology, Engineering and Mathematics at an early age. The parts can be easily disassembled after completion of one robot kit. Environment-friendly Powered by Solar - This stem building toys is powered by the sun and no batteries required. The robot can crawl, roll and float under the direct sunshine which allows children to understand the environmental concept of renewable technologies and renewable resources. Clear Instructions Make it Simpler - Don't worry that the assembly of the robot is too difficult for your child. It looks a little challenging to assemble it, but when you read the clear instructions, you will find it easy to follow it. We recommend that parents and children create the first solar robot together, which will make a lot of sense. Safety First - Every single piece is made from BPA-free, non-toxic and skin-safe ABS plastic in order to keep your children safe which are facilitate early childhood progress and brain development so gift the kids a chance to grow up to become inspirational leaders of tomorrow.