Learning Advantage Indoor/Outdoor Classroom Thermometer Large For School Use Learning Thermometer TEACH STEM--This school thermometer is great for introductory class lessons in science and conversion. The oversized learning thermometer allows students to easily read the temperature values of both Fahrenheit and Celsius BUILT TO LAST--Weather and water resistant design makes this analog thermometer for kids great for indoor and outdoor use VERSATILE--This weather thermometer was made for schools and teachers to use indoors and out, show Fahrenheit and Celsius, has a range -40 to 50 C and -40 to 120 F, and shows the freezing point of water