This add-on set allows students to learn about and understand renewable energy sources, including: solar energy, wind energy and hydro energy. As well as the functionality and capability of of solar cells, wind turbines and hydro-electric power plants. The Renewable Energy Add-On Set can be used with the Simple & Powered Machines Set and LEGO MINDSTORMS Education EV3. The accompanying curriculum pack includes new lesson plans and problem-solving activities, as well as teacher guides and student worksheets.