3' Nebula Plasma Ball - USB or Battery Powered

3' Nebula Plasma Ball We are proud to present Unique Gadgets & Toys® Plasma Globe offers you a safe, fascinating way to demonstrate how lightning works as well as explain the concepts of potential differences and electron orbital jumping. A small Tesla coil produces a large potential difference between it and the glass of the surrounding globe, similar to a cloud and its potential difference with the ground. This potential difference uses inert gases inside the globe to complete a circuit and release its potential to the outer glass, just as a cloud releases its potential to the ground. The result? bright, harmless, violet lightning bolts that respond to touch. Key Features • Novelty-style plasma lamp • Globe sets atop a stylish black base • Colorful streams of electricity dance across the surface of the globe • Touch the glass and the lightening streams attract to your fingertips • Operated by USB or battery (USB cable is included) • On/off switch • Ideal gift for using on desk, science lap, or party • Dimension: 3' bulb with base 4' x 4' x 5.5' tall Package includes? Plasma Globe USB cable Owner's Manual