The T&K Plasma Ball

•Learn about electricity, matter, and energy with this timeless scientific instrument in a reimagined new design.
•The plasma ball sends a high-voltage, alternating current from its core, illuminating a noble gas inside the sphere and creating a mesmerizing electric light show!
•Sound-activated mode enables the plasma to dance to the beat of your favorite music!
•Can be powered by (4) AAA batteries (not included) or by the included USB-C cable.
•Unique design allows the plasma ball to be displayed on a tabletop or hung on a wall!