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 Balsa Blade Sheets, very lightweight and stiff, and it is perfect for making experimental wind turbine blades, for College, High School, and Middle School Science, Pk10