A model of the simplest form of DC electric motor, having a 2-pole armature wound with enameled copper wire on the insulated plastic bobbin, and a magnetic field provided by a removable permanent magnet. The construction of the model is completely open with all components easily identifiable and functioning clearly observable. A disc-type commutator is incorporated and an external connection to the phosphorus bronze bushes is by means of a pair of 4mm color-coded sockets. The motor operates on 6-8 volts DC.