The crazy comet shaped ball has a stunning light-up flashing core. When the Crazy Comet Ball is squeezed or bounced its centre starts to flash and glow in a variety of different colours inside the ball. The Crazy comet ball textured surface make this a highly tactile touch ball which children and adults will love the squeeze and bounce and watch the multiple colours as they come to life. Each ball is approx. 7cm diameter, made from soft flexible rubber and has flashing LEDs inside, activated by bouncing the ball.