Multi Ratio Gear set
Nylon screw down frame, nylon gears with 3mm axles and motor, ideal for adding movement to models, railway turntables and turning displays. Six different ratios, from:- 1:4 – 1.5v (1,850PRM) & 3v (3700RPM) down to 1:4096 – 1.5v (2 RPM) & 3v (4RPM). High Torque – lots of power, run off batteries or transformer.