Renewable Energy Add-on Set (9688)
This add-on set for 9686 allows students to learn all about renewable energy sources. The set provides a range of elements including the unique LEGO Energy Meter, a solar panel, blades, a motor/generator, LED lights and an extension wire. Includes full-colour building instructions for six real-life LEGO models. Combine with the 2009688 activity pack to carry out six lessons and four problem-solving activities. Also works with MINDSTORMS Education.