You already know those cool skintight black bodysuits they wear in "Tron"? They seem like costumes only the perfect of movie costume designers - and CG artists - can produce, but you can make a reasonably good reproduction at home.
Just take a look at this video to learn to make a "Tron: Legacy" glow at midnight costume.
This is a step by step video on how to make a Tron Legacy Costume. The costume makes use of 12 toes of EL wire.