KidWind Wind Turbine Generator with Wires, Recommended for College, High School, and Middle School Science, Voltage output: 0-10 V, Amperage output: 0-0.3 A, Diameter: 1.25 in, wire length: 4 ft, Shaft diameter: 2 mm
KidWind Small Water Pump with Tubing, Recommended for College and High School, to demonstrate power output from the wind and solar kit, makes comparing different turbine designs easy; simply measure how high different turbines can pump water using this mini pump