Go green and bring STEM concepts to life with this exciting renewable energy set. Students compare and contrast the power and efficiency that can be harnessed from wind-, solar-, and water-powered machines while working on projects of real-world significance.

Builds 9 models, 3 at a time, and supports 2 to 3 students working as a team. Includes solar panels, motors and capacitors for storing energy, K'NEX® parts, building instructions, and teacher's guide.