TTAL21 Automatic Lighting Effects - Flashing/Constant (Dual) TT-Scale Percy first appeared in 1950

Percy first appeared in 1950 in the 5th book in Reverend Wilbert Awdry's The Railway Series

If you have multiple aspect signals (3 and 4) the yellows are also incorporated into this sequence

GM invested in this initial UK success by extensively modifying the class 59 internally to produce the Class 66

Double track controller designed to sit inside a control panel

The larger wheels enabled them to be used on both passenger and freight trains

TTAL21 Automatic Lighting Effects - Flashing/Constant (Dual) TT-Scale Percy first appeared in 1950This small module fits neatly into a coach, multi units or wagon and simulates the rear light on the back of the train. This pack includes a twin terminal for both constant and flashing LED illuminations. Ideal for modern era railways. How it Works: Detects motion and turns on automatically. Automatically turns off 4mins after last movement. No pick up, wires or soldering required LED plugs straight into terminals Can be fitted to brake vans, coaches,