Learn about energy sources and how to "think green"- Build over 125 projects using the flexibility of our award-winning Snap Circuits to have loads of fun learning about environmentally friendly energy and how the electricity in their home works- Includes full-color manual with over 100 pages and separate educational manual- This educational manual will explain all the forms of environmentally friendly energy including: geothermal hydrogen fuel cells wind solar tidal hydro and others- Contains over 40 parts- Solar Energy- Wind Power- Hydro Power- Generators- Chemical Power- Rechargeable Batteries- Analog Meters- Ages 8 and up