The disco glide ball is a great addition to any decor. You can use it in a recreation or play room for a fun & bright effect. Or you can decorate a bedroom with it. Whatever your preference, you will have a lot of fun with it. The black ball is sleek looking & will glide over any smooth surface with ease. When it is tapped sharply the lights will start flashing. The flashing will speed up for a stunning effect until they finally cease. A fun & exciting gadget perfect for gifts also. Features include: 4.5 cm Multi coloured pulsing lights