Experience the captivating qualities of the Galileo Thermometer based on the discoveries of Italian scientist- Galileo Galilei. The elegant- liquid-filled glass cylinder holds five weighted glass balls that are filled with intensely colored liquid. Each glass ball has an attached metal temperature tag and floats or sinks according to the current temperature. It*s all displayed in a stylish wooden frame. The Galileo Thermometer - 7 inch- Wood inch will enhance your workspace and is a great conversation piece for the office.****Details:**7* tall x 3* wide x 1.5* thick (overall)- glass cylinder filled with clear liquid and wooden frame- contains 5 glass balls filled with colored liquid and attached metal temperature tag. Contains flammable material.