Its not that hard to add LEDs to a model car. The biggest part of it. And its not big at all. Is routing the leads to a place in the car "trunk" to hide the battery and switch.
Oh Im working on that. Im building a HO 1/87 scale Hollywood backlot module Thats going to be full of so many TV-movie stuff. It'll be hard to see everything theres going to be so much.
Was going to build this to look like something you seen in star wars. But I didn't think it would standout enough.
So I'm going with a Ghostbusters theme with it.