Plasma Ball - Enjoy an incredible plasma light show at your fingertips with this Plasma Ball. Tons of fun for inquisitive young scientists, this plasma ball generates an electrical potential difference that constantly attempts to even itself out by discharging. The magical streams of plasma will move toward your uncharged finger or react to your favorite song, all in the name of science.
Available in 4 different sizesFree shipping!
Normally takes 2-3 weeks delivery.