This ingenious thermometer is designed by the principle discovered by Galileo. As the temperature changes, the individual floats rise or fall in proportion to their respective weights and the density of the surrounding liquid. Each float has the temperature inscribed and the float that is the lowest in the cluster is the temperature of the room.
- Made from glass and liquid
- Instructions for easy use
- Great gift idea for older children, even adults with a scientific interests
- Contains 6 balls
- Dimensions: 44cm tall