Ideal as a battery replacement for a wide variety of basic electricity experiments, the Genecon generator is a low voltage power source that lets you create electrical current by simply turning a crank. This ingenious device generates student interest as well as 5 volts of direct current - producing electrical energy through hands-on student effort. Students enthusiasm is immediate, whether they are third graders lighting a bulb or college students reviewing sophisticated principles such as Ohms Law or the electromagnetic properties of light. Less