Touch Sensitive Plasma BallJust place your fingers on the glass surface of the plasma ball, the glowing colored bolts will follow your every move to jump and spin, you can feel the energy through the most intuitive and shocking way. The slight tingling feeling at the fingertipsmakes it more real and interesting. . Educational Plasma BallYour child will be mesmerized by the impressively vivid streams of reddish-purple light,and a fascinating way to demonstrate the concepts of voltage, current, and lightning. 100% safe power supply methords: USB or 4x AA batteries (not included), provides a great scientific and safe learning experience for children. . Cool for DecorationThis plasma ball lamp is great for decoration. Can be placed in the bedroom, living room, office, or anywhere to create a super cool science like atmosphere, adds a bit of fun to you life. Our electrostatic plasma lamp is super marvellous under total darkness, looks even better at night . Great Choice for GiftSafe and environmentally friendly, coupled with cool effects, suitable for children of all ages, what better gift than this plasma ball light? Show your children the mysteries of science and have a wonderful magic show .ZF Notice:1. The monitors used are different, the computers are different, and the camera angles are different, there may be problems with the angle and color.2. Purely manual measurement, there may be 0-1cm error.