This solar kit can be used by teachers to teach their students about solar energy. It can also be used by students for science fairs and academic projects and competitions. And even adults can have fun, explore, and learn a lot by using this solar science kit… why not have one at home? This kit can even be tested indoors beneath a 60 watt light bulb: you do not need outdoor sunlight to operate it. You can operate outdoors or indoors. It comes with complete instructions to guide you through the assembly. And no soldering is necessary. Features * 1 Piezo Electric Song Player (Plays “It's a Small World”) * 4 Easy connect wire connectors * 1 Information packet on solar energy * 1 Light bulb (light display which connects to solar panel) Specifications * 1 4.5v Solar Panel