No batteries! No pollution! Explore three ways to creatively generate energy - build a generator powered by wind, a torch operated by simply turning a crank, and a clock that runs on potato batteries. Experience the green, creative energies! Kit includes set of plastic parts assembling the windmill generator body, a set of plastic parts assembling the dynamo torch body, a digital clock with wires, copper and zinc strips, a rotor, toy motors, LED lamps, a transparent torch cover, wires, gears, screws, transparent tapes and instructions. Recommended for ages 8 years and up.