Concept from Korean designer Sungho Lee: Intuitively, I love it! How clever! I want to make a bunch of my own—as I imagine Mr. Lee did—by cutting up some paper clips, clipping the leads on a bunch of LEDs, and soldering the one to the other.
STEM Challenge: Learn about Newton's Law of Motion and then build a device to prove it! Here's a fabulous challenge to build a Newton's Cradle! 5 Engineering Challenges with Clothespins, Binder Clips, and Craft Sticks. Awesome STEM activity for kids!