Heebie Jeebie Galileo Thermometer 56cmAre you a science lover or know who loves discovering how things work? The Galileo Thermometer is a really cool device that lets you read the temperature in an elegant and unique way. It's a sealed glass cylinder filled with clear liquid and glass bulbs of different densities. As the temperature changes, the bulbs inside the cylinder rise and fall, giving you a temperature reading. You can read the temperature from the engraved metal discs that hang