Toy Weather Forecast Glass

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Product Explanation ■ Weather forecast glasses are made based on Goethe's barometer, which is said to be an application of the principle of Mercury barometer invented by Torricelli, a disciple of Galileo in the 17th century.
[Usage]
- When the water level goes down, it becomes sunny, and when the water level goes up, the weather changes.
◆ Product Details
Size : approx. width 10.2 x height 16.5 x diameter 8 cm
Material : glass
Accessories : water injector, tube
Target age of 6 years or older