Features 1. Startup: Does the pool need a little color? These LED water-activated ice pieces glow in the water and the lights will glow like gems. Looking fun in the pool! Party cube decorations will bring a unique vibe to any occasion. 2. Colorful cubes: Each cube can turn into 7 different colors in seconds. Cube battery life is up to 30 hours. Just toss these flickering ice pieces into the pool or baby tub and it will instantly light up so kids can play in the pool day and night. 3. Liquid sensor: The sensor is located at the bottom of the ice piece, it lights up when any liquid is detected, and the touch also lights up. Liquid-activated color-changing LED ice piece lights to stop glowing when the surface dries. Ice piece size: 2.6*2.7*2.7cm. (battery included, note: Battery is not replaceable) 4. Float on the water: It can float in the pool and attract children's attention. These diving gems are best for summer pools where babies are encouraged to swim. 5. Safe and reliable: All swimming pool toys are made of acrylic plastic and electronic components, which are reliable and lightweight, safe for people's health, and waterproof at levelSpecification Material: acrylic, plastic, electronic componentsSize: 2.6*2.7*2.7cmPower supply mode: button battery *3 (included, not replaceable)Waterproof rating: 7Color: colorfulPackage List :12* Glowing Ice PiecesNote:Due to the light weight of the plastic, these diving gem pool toys will only float on the surface and will not sink underwater.