KidWind Wind Turbine Hub, three-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
Premium Bosshead - Die Casted, Right angle Clamp Holder, Classic Die Cast Alloy, finished in non toxic powder coating, 2 Stainless Steel Thumb Screws, Able to hold rods up to 15 mm in diameter, Holds rods orthogonal (90 degrees) to one another
Double wall calorimeter with easily removable spring heating element, Operates on 3-6V DC at approximately 5 watts, Inner aluminum 150mL reservoir, aluminum outer, plastic insulator ring, Lid accepts heating element, stirrer, and thermometer cork, 5.1x4.7x7.1 in, 0.7lbs