The "thunder glass", "spout barometer", "storm glass", and "weather glass" are regarded as the oldest barometers in the world. Hand-blown replicas of those are

Its a must-have for the desk of any science enthusiast. The Galileo thermometer is based on a thermoscope invented by Galileo Galilei in the early 1600s. The thermometer consists of a sealed glass tub

This sand timer is so cool. Flip it over and watch the sand flow upward on one side while it flows downward on the other side. When it is done, just flip it over to start the sand flowing again. It is

Its a must-have for the desk of any science enthusiast. The Galileo thermometeris based on a thermoscope invented by Galileo Galilei in the early 1600s. Thethermometer consists of a sealed glass tube

Product Name: 2-in-1 Galileo Thermometer with Glass BarometerModel Number: TT1081507Place of Origin: ChinaIts a must-have for the desk of any science enthusiast. The Galileo thermometeris based on a t

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Its a must-have for the desk of any science enthusiast. The Galileo thermometer is based on a thermoscope invented by Galileo Galilei in the early 1600s. The thermometer consists of a sealed glass tub

Its a must-have for the desk of any science enthusiast. The Galileo thermometeris based on a thermoscope invented by Galileo Galilei in the early 1600s. The thermometerconsists of a sealed glass tube