Frog on a Lily Pad floating pool & spa thermometer. A hit with kids of all ages! You'll be making waves with the froggy spa & pool thermometer! Highly accurate, this great floating thermometer provides clear, concise and precise water temperature readings. This cute frog thermometer is easy to spot floating in your pool. Fahrenheit and celsius temperature scales. Tether included. Shatter resistant casing contains non-toxic liquid.