The product consists of a base, a closed hoop, an electromagnet, a pole piece, an armature, a commutator, a rotating shaft, a brush, a rocker, a handle, and the like. The closed iron ring and the pole piece are made of iron plate with a thickness of about 3mm. The width of the iron ring is about 75mm and the outer diameter is about 180mm. The iron ring and the pole piece are painted with red and blue paint. The electromagnet is wound on the iron core by QZ high-strength enameled wire. The two electromagnet coils are connected in series with each other. The armature is a rectangular multi-turn coil with a coil size of about 140×70mm. Both ends of the coil are made of red and blue tape. Bandaging. The commutator is a combined current and reversing device consisting of two combined copper rings with a size of 22×30mm; the rotating shaft is made of 8mm round steel and has a length of about 150mm; the brush is made of tin bronze of δ0.3mm. Film production, length 80mm, width 7mm. Features a transparent design that clearly displays the internal structure and working process of an electric motor, helping students understand the conversion of electrical energy into mechanical motion.