Your children can build 12 different solar-powered robots with this 190-piece kit that also includes custom decals and a detailed instruction manual. This kit challenges children's engineering skills and expands their creativity as they build bots that walk, crawl, roll, and even bots that float on water. It's a fun way to learn about solar-powered technology, while helping develop manual dexterity, problem-solving skills, logical thinking, and self-confidence. It is the perfect toy to encourage your children's Science, Technology, Engineering, and Math skills. And it needs no batteries ever!