Oral Thermometer for Adults And Kids - Glass Basal Body Thermometer - Rectal Body Thermometer for Baby - Non Digital Infrared Thermometer - Accurate Easy Reading It is a funny and safe bath toy that doubles as a bath thermometer. Shake to activate, stir the bath water to make temperature even and put the bath thermometer into water to get a stable temperature in a few minutes. The thermometer is a bath water thermometer as well as a safe and funny bath toy for baby to enjoy the bath time. Easy to use. Just put it on your swimming pool, spa, pond, or anything you might want to use, it will begin to get the temperature reading for you. Made of material, which is durable and lasting for us