Hybrid Cut-Away Trainer, Prius, Electrical Operation, Automatically selected power source when starting the motor, driving in normal conditions, and accelerating, Size: 155cm x 160cm x 165cm
Solar Thermal Exploration Kit, Explore variables such as box color, light intensity, tube design, rate of water pumping, and amount of time it takes to heat water. Includes some basic information on solar water heating systems and how they work