ThrottlePack(R)

Upgrade Your Train Set's Power Pack The Throttlepack AC is an ideal replacement for the power pack supplied with most O/O-27 three-rail train sets. Features include sine-wave circuitry so onboard locomotive sounds will function no matter what the brand; whistle, horn and bell sound buttons; a large ergonomic throttle handle for good control, a power booster button for extra power when necessary, separate power supply and a direction button. Provides 80 watts of power.