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: 6*7*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. (