Lionel 6-12727 Automatic Operating Semaphore Signal

A familiar sight in rail yards everywhere, the semaphore signals an approaching train by raising its signal and changing from red to green. when the train has passed, the signal lowers and the light changes back to red.

The base measures 4" X 1-3/4" and it is 9-1/2" tall with the signal arm in the upright position. This set includes the #153C track contactor and instructions. For O and O27 gauge trains.