Pparty 4-in-1 Children solar powered playing learning toys leadbug beetles multiped scarab insects Not only fun to play with, but very educational, demonstrating how solar power and the sun can be use to generate electricity Perfect play-and-learn toy, leads your children to touch the insects closely, Explore the potential of solar power with this fun and interesting science kit Simply hold it in the sunlight and the tiny motor inside the grasshopper transforms the electrical energy to motion and causes the grasshopper to vibrate right in your hand 4pcs of different insects included multiped,scarab, ladybug and beetles