Thames & Kosmos The Plasma Ball Essential STEM Tool | Classic Scientific Device, Fresh 5-inch Glass Sphere, Interactive Electric Light Show | Explore Electricity, Matter, Energy, Small

Description 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! Marvel at the wonders of the universe with this mesmerizing electric light show. The plasma ball creates a fascinating display of glowing electric tentacles, like lightning flowing from your fingertips. Plasma is the fourth state of matter. Neither solid, liquid, or gas, it is a super-charged ionized gas found in every star. The plasma ball works by sending a high-voltage, alternating current from a Tesla coil at its core, through a noble gas, to the inner surface of the glass sphere. Escaping electrons cause the inert gas inside the sphere to light up, creating the amazing effects. You can actually see electricity in the palm of your hand with this incredible device. The plasma ball design allows you to display it on a tabletop or hang it on a wall like a sconce. It can be powered via a USB-C cable or batteries. Turn on the sound-activated mode and watch the plasma arcs dance to the beat of your favorite song.