Uncle Milton - Star Wars Science - Lightsaber Room Light - Luke Skywalker Feel like a Jedi and learn how electronics make a lightsaber work as you construct your own version of the lightsaber used by Luke Skywalker! Use remote control to activate the bright LED light and awesome sound effects! Science learning poster connects the lightsaber crystals of the Star Wars galaxy to real crystals on Earth, and how crystals are used in LED electronic circuits and everyday devices. Authentic lightsaber design over 25 inches long  lights up green STEM: Geology, Electronics