Powered by an included USB cable, this desktop Plasma Ball is about stands about 6 inches high and includes an on/off switch.

Powered by an included USB cable, this desktop Plasma Ball is about stands about 6 inches high and includes an on/off switch. While it emits a very low current, it does so at a relatively high-voltage and so it does produce some EMF. Respect your plasma ball and it will respect you!

Small plasma ball powered by USBA tiny version of the Tesla original for your deskGreat for science buffs and teachers

USB Plasma Ball