Develop Childrens Intelligence: The cube toys can develop childrens intelligence and exercise their hands-on ability. Eight ice cubes can be arranged at will into various shapes. The colorful lighting can stimulate childrens cognition of colors and improve childrens intelligence. Bathroom Decoration: The ice cubes are disposabl e decorations that can last for 12 hours. They can change color within 2 to 3 seconds. Very suitable for decorating the bathroom. When the battery is exhausted, the ice cubes will no longer glow. Unlimited Fun: The ice cubes in the water will emit colorful light to illuminate the bathroom. The brilliance is very attractive to children. Children can take a bath as playing, so children like to take a bath. Beautiful Lighting: There are different types of LED fluorescent ice with different lighting colors, including colored slow blinking, red, white, blue and pink light. Wide Application: The LED fluorescent ice cube toys are widely used in bars, weddings, parties, etc. to create a romantic style. Specifications: Name:MagicWaterLuminousIceCube SingleSize:about2.5*2.5CM/0.98*0.98inch PackingList: 1Set*IceCubeToys(containing8icecubes) Notes: Use3AG3buttonbatteries(thebatteriesarenotreplaceable.Whenthebatteryisusedup,itwillnotemitlight.) Thelightflashesslowlyin7colorsandcanemitlightcontinuouslyfor12-20hours. Remember:Pleasekeepitinadryplacewhenyouarenotplayingwithwater,andwipedryintimeafteruse! Thisproductismadeofsafeplastic,butpleasedonotswallowit. Duetotheimpactduringtransportation,theinsideoftheicecubemayloosen,whichwillaffectthenormallightemission,pleasehithardandpressthebottomoftheproduct,andwipethemetalpieceofthecontactendwithawetpapertowel! Duetothelightingeffectsandshootingangles,thereiscolordifferenceintheproduct,pleaseunderstand. Duetomanualmeasurement,thereisatoleranceintheproductsize.