These simple experiments demonstrate the basic concepts of electricity. A complete circuit consists of a conductor (wire), energy source (battery), and their usage (movement of the propeller or lighting of the bulb). Students will enjoying learning the basic concepts of Electricity. Scientific Skills: Predicting, Invistigating, Exploring, Energy, Communicating and Drawing ConclusionKit Contains:DC Mini-Motor with alligator clips, Mini-light bulb, Battery holders, mini-light, Foam Shape objects to spin and Instruction.