Dynamics System, An economical way to teach dynamics including, but not limated to, position, velocity, acceleration, force, elastic and in elastic collisions, momentum
KidWind Basic Turbine Building Parts, kit includes the KidWind Hub, a wind turbine generator, and 25 dowels, Recommended for College and High School, Pk10
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