Duckymeter, a great bath toy that also monitors the water temperature!

The Duckymeter is a must have for any parent. Not only does it continually check the temperature of the water, letting you know if the water is too hot (red screen), too cold (blue screen) or the perfect temperature (green screen), it is a great toy during bath time for young children. The ducky can be fully submersed in the water so kids can play with it through the whole bath without any worries of it getting ruined. The temperature is displayed in Fahrenheit and is easy to read on the LCD screen. The temperature reading is activated when the thermometer comes in contact with water, so you don't have to worry about turning it on/off and it comes with the 3 AAA batteries already installed. This would make a great shower gift for expecting moms! I was provided with a sample of this product.

To get your own, check it out here: https://www.walmart.com/ip/Ozeri-DM1-Baby-Bath-Floating-Duck-Toy-and-Tub-Thermometer/33375174