Use these LED water that can glow in any cold drink to activate ice cubes and light them up. The drink looks very interesting inside. The decoration of a gathering cube will bring a unique atmosphere to any occasion. Colored Cube: Each cube can transform into 7 different colors within a few seconds.These cubic batteries have a lifespan of up to 30 hours. Ideal choice for decoration: Perfect for Christmas parties, nightclubs, bars, karaoke parties, music events, weddings, swimming pool lighting, champagne towers, and other holiday decorations. Liquid sensor: This sensor is located at the bottom of the ice and lights up when any liquid is detected. The liquid activated color changing LED ice cube lamp will stop emitting light when it is dry. Food grade: These reusable LED beverage cubes are made of food safe polystyrene plastic and can be safely used with food or beverages. Waterproof, which can be soaked in liquids, is an interesting way to enhance beverages. (Note: Do not put it in hot liquids).