Add these cool accessories to your pool and let the fun begin! These floating animals are super bright, with color-coordinated LED(not color changing). Auto shut-off after 1 hour with Replaceable 1.5V batteries included. Choose a yellow duck, blue dolphin or green turtle. Product measures 3.4-inches L x 3.2-inches W x 3.4-inches H. These Floating Light Up Racers will add tons of fun to any body of water!