Small, compact geared motor in plastic casing with numerous attachment and connection possibilities. With many toothed gears, axles, driving gears and safety battery tray with pole-reversing switch, this motor set is ideal for adding greater functionality to other Fischertechnik models, while studying real-world applications for electricity and motion. Requires 9V battery, not included. Power: 9V; Max. output 1W at 6000rpm.