Sustainable Living for the 21st Century. Power House provides an engaging introduction to regenerative energy sources while teaching basic physical science concepts and principles. The kit focuses on heat and light energy from the sun, energy from the wind, as well as electrochemical and green plant energy. Build a model house complete with solar panels, windmill, greenhouse, and desalination system. You can also build and operate an electric train, windmill, solar cooker, solar hot water tank, hygrometer, electric motor, power hoist, sail car, and more! Learn how plants convert sunlight into energy for your body. Includes materials for 20 projects plus a 96-page easy-to-follow manual with diagrams, instructions, and suggestions for additional projects. Ages 12 and up.