1) Weather station with a nice Galileo thermometer, hygrmeter and a barometer.
    2) Barometer has a function to forcast the weather changes through air pressure.
    3) Hygrometer is used to measure the air humidity.
    4) Galileo thermometer can measure the current temperature through the tage below the glass balls.
    5) The glass balls differ in weight and the density of the liquid means the lowest of the floating ball in the upper part          of the cylinder shows the accurate temperature.
    6) In liquid, solid substances with the same weight and size sink when temperature rises, and they ascend when          temperature falls.
    7) This product could be a special design to be a gift for office display.
___________________________________________________________________________________________ Size: Thermometer dia:3.6cm
          Barometer dia:7cm
          Height:30cm
Number of glass balls: 5