I'd seen these on the interwebs and thought it would be fun to try. I used cardboard, my printer, and a short (bracelet length) glowstick. I set up the text and the lightsabre hilt (copied online) in Photoshop, printed and folded the card, cut a slot for the glowstick, and fastened it in place with stickytape.
Ta da! (Photos taken in the light and at night for full effect.)
Ta da! (Photos taken in the light and at night for full effect.)