Fitzroy's Storm Glass

How the Storm Glass works is still a mystery, but it is believed that electromagnetic changes in weather patterns activate the crystals inside (sealed glass chamber fill with crystals when air pressure decreases). How to read: A: Clear Liquid Bright and clear weather B: Cloudy Liquid Sometimes with small stars and crystals at the top. Cloudy weather and often predicts thunderstorms and rain. C: Small Stars in Liquid Humid or foggy weather D: Large Flaky Crystals Cloudy skies, snow in winter. E: Threads of Crystals At The Top Winy Weather F: Crystals At The Bottom, Frost may be coming. 11" tall. Suggested age 8+