Fiber optics transmit light, but they don't create it. All of the effects that follow require a light source. This light can take any form and be located almost anywhere.
- Choose a Light. Any light or LED can be used. The brighter the light, the better. For chase lights, colored lights, or other effects, more elaborate light arrangements can be made.
- Locate the Source. Place the light in a convenient but conceiled location. The inside of a structure or the underside of the train platform work well.
- Line the Fiber Optics. Align each of the fiber optic strands so that the end points directly at the light source. The strand and light do not need to touch but should be close. A direct alignment is more important than proximity. This is another reason a larger bulb often works better.
- Secure Everything. Glue everything in place to insure nothing moves.

