Solar Toy, Energy Cockroach, Solar Energy Toy, Best Green gift for kid This product is for solar powered technologies, without battery, it's ... specific effect of vibration. In the direct sunlight, the solar grasshopper will shake at every pore, as if it's ... Size : 45mm x 23mm· Weight: 9gPackage included: 1 x Solar Toy Cockroach Solar Toy, Energy Cockroach, Solar Energy Toy, Best Green gift for kid