1.GET LIT : Does the party needs a bit of color? Get lit with these Led water activated ice cubes that light up in any cold drinks. It look funny inside the drink ^ The party cube decorations will bring a unique atmosphere to any occasion. ^ 2. COLORFUL CUBES: Every cube can change into 7 different colored within seconds. The cubes last up to 30 hours of battery life. ^ 3. LIQUID SENSOR: The sensor is located bottom side of the ice cubes and lights up when detects any liquid. Liquid activated color change led ice cube lights will stop glowing when its dry. ^ 4. FOOD GRADE: These reusable LED drink cubes are made of food safe polystyrene plastic and it can be used safely with food or drinks.Waterproof and can be immersed in liquids, making a fun way to enhance drinks. (NOTE: Don't put it in a hot liquid). Size: 1.06 x 1.06 x 1.06 inch ^ 5. IDEAL for DECOR: Perfect for Christmas parties, night clubs, bars, karaoke parties, music events, weddings, swimming pool lights, champagne towers and other holiday decorations.