Once used by seafarers to predict oncoming storms, this historical device responds to atmospheric fluctuations to forecast the weather! 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. Keep out of reach of children. Read safety directions. Contains Camphor. Flammable. First Aid: For Advice, contact a Poisons Information Centre (E.g. phone Australia 13 11 26; New Zealand 0900764766) or a doctor at once. Urgent hospital treatment is likely to be needed. If swallowed, do NOT induce vomiting. Avoid giving milk or oils.