4.75" Tall St. Louis Motor demonstration apparatus

St Louis Motor Demonstration is useful in demonstrating the operations of motor and generator. Consisting of a two-pole armature mounted between magnets. Steel supports are mounted on a ridged 4" Diameter plastic base. Will operate on 3 to 6 V DC. Power supply not included.You may also like EcoExploration Simulated Owl Pellet with Bird by Eisco Labs - Realistic Educational Tool for Biology and Ecology, Reusable, 3x2 Inches - Made in USA (Pack 5).