Kit, Stem Investigations: Design A Biodegradable Plastic, Includes: 25 mL Glycerin, 75 mL Vinegar, 175 g Gelatin, 125 g Starch, 45 Petri dishes, 30 Pipettes, contains enough materials for 15 groups. Teacher's Manual and Student Study Guide copy masters are included
Solar Cell with wires, 6V, 70mA, Monocrystalline, High Efficiency Miniature, Efficiency: 17.0%, Dimensions: 95mm x 51mm x 3mm, For larger load applications including higher voltage and current loads, compact size with solid attractive casing
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