Harness your body's natural static charge . You can generate enough static to light up this little bulb. Feet dragging is required! Part of Copernicus Toys Compact Curiosities line of science novelties and STEM demonstrations. 6.5x3.5x.5" peggable card with information. Perfect for birthday gift bags, stocking stuffers, and Easter baskets--or any time you need a little STEM. Spark curiosity for collectors of science and nature. We recommend Compact Curiosities for a wide range of retail settings including: science museum store toy store gift store childrens museum store stationery store paper & novelty store