... Cockroach, Solar Energy Toy, Best Green gift for kid This product is for solar powered technologies, without battery, it's micro ... , is a wonderful enlightenment of students'solar energy concept for school teaching as well.Product Features· Robotic Coachroach is ... 45mm x 23mm· Weight: 9gPackage included: 1 x Solar Toy Cockroach Solar Toy, Energy Cockroach, Solar Energy Toy, Best Green gift for kid