The Tactile Demonstration Thermometer, model 1-03020-00, is a tactile teaching thermometer designed for use by children who are blind or have low vision. This tactile teaching aid allows students to read, set, and compare temperature independently. It has a two-texture, two-color adjustable "mercury column" with an easy-grip tactile indicator. Fahrenheit and Celsius scales are presented in both large print and braille, with tactile degree markings every five or ten degrees. COLOR: The thermometer is yellow with black degree markings and a red and white "mercury column."