6 inch Extra Large Plasma Ball, Special Purple-red Light: There are many different sizes of plasma ball on the market, like 3/4 plasma ball. This 6 inch plasma ball is a larger size with beautiful purple-red lights that kids want most. Science Toy for Kids Teens, Great Gifts Choices: This magic plasma lamp will spark kid's curiosity, bring children's scientific fantasies to real life. Plasma ball is perfect gifts for your kids, suitable for all age groups, ideal for Birthday, Halloween or Christmas. Made of Premium Hard Plastic, Safe for Kids: Our plasma ball is made of high transparency and high strength plastic, 100% safe for kids. Adopted with the upgraded IC chip, our product is smarter and safer than other brands. Plug In or Batteries, Touch & Sound Sensitive: 1. No touch or no audio: stable nebula thunder lightning. 2. Fingertip touch: the light follows fingers and it will get brighter and stronger. 3. Audio control: Play music around this plasma ball, the light will dance with it. USB power cable provided, can use battery (battery not included). In order to make it more mobile, we add a battery slot. You can choose plug in or battery to power it. Great Addition to Teen's Bedroom or Study: This plasma ball is not only a toy, it can be also used as a decorative lamp in kids room. Bring the lightning into the transparent globe, touch sensitive, the lightning will follow the finger and move.