Plasma Ball Lamp – 6" Interactive Light Show Add a touch of science and style to any room! This 6-inch Plasma Ball responds to both touch and sound, creating fascinating streams of light that follow your fingers and pulse to music. A fun and electrifying display piece for teens and adults alike. Size: 6-inch globe Reacts to touch and sound Power cord included Recommended Age: 14+ Sold only in increments of 6