1) This is a weather station with barometer, Galileo thermometer and hygrometer with special wooden design.
    2) Glass balls in the Galileo thermometer with the same weight and size sink when temperature rises, and they          ascend when temperature falls.
    3) 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.
    4) Hygrometer measure the air humidity around.
    5) Barometer can forcast the weather changes through the air pressure.
    6) It will be a good gift for office display and an indispensable comprehensive weather teller which can show          weather change in advance.
    7) A health nurse for your family environment.
___________________________________________________________________________________________ Size: Thermometer dia:2.5cm
          Smaller internal dia:7cm
          Bigger internal dia:9cm
          Height:53cm
Number of glass balls: 5