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

Extending bars:Aluminum extending cargo bars can be easily and quickly installed at any point in a van or trailerMade of high-strength galvanized steel tubingLength: 89"-104"Logistic tracks:

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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

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

Product Name: Galileo Kiss ThermometerModel Number: KT1051505Place of Origin: ChinaIts a must-have for the desk of any science enthusiast. The Galileo thermometeris based on a thermoscope invented by