yes we did use a led lightning with a swich but i bought it directly on a strore and modified it a little.
You can find a lot of videos on youtube for lightning things
i remember a video to create the ark reactor from iron man, and they explain every step,
hope that can help you for you're work
a year ago we discovered papercrafting
we are big fans of movies and anime though we have a lot of figures
so we decided to try papercrafting our first project was this iron man life size
hope you'd like it