O Gauge Trains Layout Lighting with LEDs & Wall Warts

O Gauge Trains without going Broke - Layout Lighting with LEDs and Wall Warts. Here is an inexpensive way to add lighting to your layout and get power to the lighting with a source other than your transformer or the need to buy and additional transformer. We all have old, extra Wall Warts sitting around our homes, now you can put them to use on your model train layout.