As I mentioned before look at Amazon. So many to choose from in all styles, lengths, colors, voltages. Look at Christmas decoration lights. Cut to size. Look at under counter lights for kitchens and work shops. Google is your friend. People have been using them since they came out for all kinds of craft projects. Want to get really innovative use fiber optic lights. That is another rabbit hole you can climb down. Many years ago when I was into making model trucks from Ertel and other companies I use to customize them with fiber optic cables to light up the running lights, headlights, dashboard lights and tail lights. They really look cool when done. Even back then I had a very creative mind and would always take it another step up the ladder. They have remote control lights. There are many forums that show how to make your own control boards from parts easily ordered. Take it any path you want. Back in the day when Radio Shack was around they had all kinds of crafty project kits you could build and be able to get their parts. I miss that store. Built a power mic for my CB back in the day from a kit from there. Brings back fond memories. 10-4 good buddy.
Not to overstep but you could do that same project without lasers in acrylic mirrors and cut on scrollsaw.