Enjoy an incredible atomic light show at your fingertips with the Smithsonian Plasma Ball. Watch what happens when atoms collide with each other and energize electrons as your fingertips control light effects. Observe how colliding atoms release energy in the form of light waves! The plasma ball also responds to sound and music and comes packaged with STEM educational content. • Learn how colliding atoms release energy in the form of light waves. • The light follows touch and responds to music & sound. • Requires 6 AA (1.5V) batteries (not included). • Ages 14+