Once used by seafarers to predict oncoming storms, this historical device responds to atmospheric fluctuations to forecast the weather!
Size: 12 x 6 x 6cm
How to predict the weather:
Clear liquid: Bright and clear weather.
Cloudy liquid: Cloudy, possible thunderstorms & rain.
Small dots in the liquid: Humid or foggy weather.
Large flaky crystals: Cloudy skies, snow in winter.
Threads of crystals at the top: Windy weather.
Crystals at the bottom : Frost may be coming.