If you have a cave at home, make it a truly special place! These glowing ice cubes for drinks will transform your cave into a super cool place of enlightenment! Any problems can be handled with good communication, so please keep in touch with any problems. Any more product details and problems, please refer to the product description on this page, wish you have a good buy experience! When guys or gals come by for a little schmoozing and boozing, add these assorted colors LED Ice cubes to their drinks, it will be very romantic! Lighted LED Ice Cubes are battery-powered, each piece comes with 3pcs AG3 button batteries fitted, but batteries are NOT replaceable. Unit Size: 2.7 x 2.7 x 2.5 cm/1.0" x 1.0" x 0.98". Light-up LED Ice Cubes Set comes with 12pcs for one dozen, multi-color LED light flashing, liquid sensor water activated glowing, used for drinks, wine, whiskey, bourbon, champagne tower, beautiful illuminating and enhance romantic amazing atmosphere, perfect for bar, party, wedding, babyshower, nightclubs, Las Vegas pool parties, music events ,etc decorations, it's amazing glow in the dark! Light-up LED Ice Cubes made with high quality food safe grade clear acrylic edible materials, filled with non-toxic freezable gel, safe materials so that can be put into your drinks safely. (They’re not meant to be frozen, without cooling function). Without flame, wax smoke or mess, no chemical change or non-toxic, drop ice cubes into your guests’ drinks and watching them admire their drinks, you can imagine how happy you bring them and how happy you are!