28cm Glass Thermometer Check the temperature by watching the colourful balls sink and float in a sealed glass cylinder, as their densities make them rise and fall with temperature changes. Read more...

Wishlist: Add to comparison:
$ 28.95
Products in stock
28cm Glass Thermometer Check the temperature by watching the colourful balls sink and float in a sealed glass cylinder, as their densities make them rise and fall with temperature changes.