Snap Circuits Alternative Energy Green Electronics Exploration in Alternative Energy Kit | Over 125 STEM Projects | 4-Color Project Manual | 40+ Snap Modules | Unlimited Fun Learn about "Green Energy" options Build over 125 projects investigating alternative energy strategies Includes full-color manual with over 100 pages and separate educational manual Contains over 40 parts Features: Hand Crank Solar Cell FM Radio Energy Compartment Rechargeable Battery Windmill Clock Analog Meter Compatible with the Snap Circuits family of electronic learning kits Learn about "Green Energy" options. Build over 125 projects investigating altrenative energy strategies. Includes full-color manual with over 100 pages and separate educational manual. Contains over 40 parts. Features: Hand Crank Solar Cell FM Radio Energy Compartment Rechargeable Battery Windmill Clock Analog Meter Compatible with the Snap Circuits family of electronic learning kits