<p> This Demonstration DC Motor is perfect for demonstrating electromagnetic forces and the conversion of electrial energy into mechanical energy. <p/> <p> A model of the simplest form of DC electric motor having 2-pole arms wound with enalemd copper wire and a permanent f=A model of the simplest form of DC electric motor having 2-pole armature wound with enamaled copper wire and a permanent magnetic field provided by a removable bar magnet. A disc-type commutator is incorporated and external connection to the phosphor bronze bushes is by means of a pair of 4 mm sockets. <p/> <p> Each Demonstration Motor is approximately 5.5" tall, 5.5" wide, and 3.5" long, and weighs approximately 0.8 pounds. <p/>Operates at 1.5V - 3.0V DC (power supply not included)