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
1MHz Function Generator, Features: Sine; Square and Triangle Wave Generator 1Hz - 1MHz Sine Wave Distortion Less Than 1% Square Wave Symmetry Less Than 1%, Runs on a 9V battery
Vibration Generator Set, mechanical vibration and wave motion apparatus based on a vibration generator that can be used with any frequency generator that can deliver a signal of up to 1A, used on the bench or attached to stand material via a threaded socket on the bottom
Garage Physics Ballista Kit, Explore torsion springs, forces, energy transformation, mechanical advantage, and projectile motion in this fully-functional ballista, Contains ballista and ping pong ball, Press fit assembly, Comes with a educational guide
KidWind High Torque Generator with Wires, High Torque Generator produces lower voltage but higher current for a given rotor speed, Recommended for College and High School