Predict thunderstorms, frost or sunny weather with the ever-popular Storm Glass Mini! This smaller version of Fitzroy's historical weather forecasting device is perfect for your desktop, or even your caravan as you travel! Your Storm Glass may be clear, or cloudy as precipitants form, either way you'll be in the know before everyone else! What an exciting gift for travellers, weather buffs, or anyone interested in the history or forecasting and seafaring. Observe the crystals as they change and form in accordance with changes in air pressure and temperature! Hand blown glass. Dimensions 15.5cm tall. Recommended for ages 8 and up.