This electrical kit will bring your layout to life. Install this amazing kit into M00139 Gosford Signal Box today. It really makes your layout look fantastic. This electrical kit contains all you require to light up our signal box. The kit gives you a track diagram and 12 lights plus three white LED’s on the ceiling. You are supplied 4 L E D’s one white one yellow one green and one red. You can place your fiber optics in any combination you like. Full set of instructions supplied, All you need is a soldering iron and some solder and a hair dryer.