INCLUDES 10 DUAL-SCALE THERMOMETERS -- This pack of 10 student thermometers measures up to 50° Celsius and 120° Fahrenheit KID-FRIENDLY LEARNING TOOLS -- These easy-to-read thermometers feature large black markings to easily read the temperature. The red liquid is mercury-free AN ESSENTIAL CLASSROOM RESOURCE -- There’s plenty of thermometers for everyone with this bulk-set of portable student thermometers. They’re perfect for individual or group learning! SIZED FOR MULTIPLE USES -- At 2”W x 6”H, these thermometers are easy to use during science experiments, lessons or in the greenhouse! With such a portable size, they’re easy to store, too PROVIDE ACCURATE TEMPERATURES -- Student Thermometers provide accurate readings with weather and moderately warm liquids. They are not designed to be submerged in boiling water EASY TO HANG -- Each thermometer has a hole on the top for easy hanging. Hang one on the wall at home or in the classroom!