Movement of the production of health and safety of new PS material and the electron-emitting light-emitting ice, touch-tone luminous ice switch, providing a variety of colors of red, yellow, blue, green, colorful appearance as if real ice in general. Built-in metal button batteries, chemical changes, non-toxic and tasteless, can be placed in all kinds of drinks to add a romantic and mysterious atmosphere. Widely used in the entertainment of all kinds of festive activities, or hotel bar.