Educational Solar powered Cockroach Toy Gadget Gift Up for sale is a solar powered Cockroach .The Cockroach ,when exposed to sunlight, can start its mini-engine by shaking itself, the solar Cockroach 's eyes jiggle, legs wiggle, and antennas sway to-and-fro. so no batteries are needed.It is a fantastic toy for friends. It's novel and unique, also it's a good demonstration of solar power on a small and cute scale, a wonderful enlightenment for students' solar energy concept teaching as well. Description: Solar powered, without battery Micro vibration motor can be driven directly in the sunlight The solar grasshopper will shake at every pore in the direct sunlight Environmental protection & Energy conversion weight:20 g Dimension:40mm x 20mm x 8mm Package Includes: 1x Mini Solar Cockroach Tips: not fit for kides below 3 years old