MESMERIZING INTERACTIVE LIGHT: The Plasma emits electric currents that dance energetically around the inside of the globe! Place your fingers on the globe's and watch as the tendrils of light follow your touch!PLASMA LIGHT RESPONDS TO TOUCH AND SOUND: The tendrils of light appear in shades of pink and and react to both touch and sound. The built-in sound sensor responds to your voice, music, and other sound effects, so try speaking or playing your favorite songs for an out-of-this-world experience.EDUCATIONAL TOY - LEARN ABOUT GASES AND ELECTRICITY: Learn about noble gases and their interaction with electricity with the educational Plasma ! The coil in the center emits high voltage alternating electric currents through the plasma, composed of noble gases. This combination produces the exciting colorful effects you can see, because your touch creates a discharge path for the electricity and light to follow.Touch-Activated Plasma Glob: It's part science, part magic, and all fun. This plasma sphere responds to your touch, sending rays of light wherever your fingertips go. You'll your friends and add a special ambience to any room of .Electric Plasma Ball: The plasma ball is powered USB. for endless excitement! This 8Inch plasma ball is a great piece of decor for your bedroom, living room, office, or anywhere else! It'll create a super cool science like atmosphere.Voltage:DC 5V USB plugSize:8 inchesColor:BlackMaterial:Glass+PlasticPackage Contents:1 * plasma ballOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.