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.
| Article number: | HJ-HJ-6180 |
| Availability: | 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.
