KidWind Wind Turbine Hub, ten-pack of 12-hole crimping hubs, made from recycled plastic, allows you to turn any DC generator into a wind turbine, Diameter: 2.25 in, Maximum number of dowels: 12, Size of shaft hub press fits onto: 2 mm
Exploring the Solubility Rules a Guided Inquiry kit, Experiment Challenges Students to Identify Patterns Within the Experiment and Then Apply That Knowledge in a Practical Exercise, with New Twist to an