The Vintage Galileo Floating Multicolor Balls Glass Tube Scientific Thermometer is a unique and charming piece of scientific equipment that doubles as a collectible. Made in the United States, this 15" thermometer showcases a classic design with multicolor balls that rise and fall to indicate changes in temperature. Perfect for science enthusiasts or collectors of vintage scientific instruments, this thermometer adds a touch of nostalgia to any room while also serving its original function as a tool for measuring temperature accurately.