Using two motor generators, a simple switch, a lamp and a battery you will make two simple electric circuits and show how a motor converts electrical energy to mechanical energy and then a generator converts the mechanical energy back to electrical energy.
Perfect kit for science fairs, home activities, summer camps, and scouting groups. Materials in this kit may be used for many other educational projects as well.

Discover the power of the sun with more than 10 experiments.  You can produce some serious energy with this kit.  A solar energy lab complete with converging mirror, wooden stand, clear plastic test tube and glass thermometer.  Instructions are available online.

Plastic wheels and axle for construction of model vehicles. Back wheels are 17mm wide and 40mm in diameter. The diameter increases to 42mm with traction band or 50mm with black ring tires. The front wheel is 5mm wide and 35mm in diameter. The axle rod is 76mm long and 3mm diameter. Comes in sets and packs. Each set includes 2 front wheels, 2 axle rods, and 2 back wheels that might be plain, with amber traction tape or black ring tires. (Each back wheel may take up to 3 ring tires).