This NEW Plasma ball is fun and functional! It is Touch and Sound activated and creates the more fun than the common magic ball. Production: Magic Plasma crystal ball gives you unexpected surprise, Gives out vague flashing light when connecting the plug Touch the ball and move your fingers, the light will flashing as your fingertip Interesting to own one for playing joke with your friend, Also can be used as homeschool-based projects for kids in home, classroom and so on.