🎁 Weather Forecaster: With the glass Swan shape barometer, according to the state formed inside the bottle, you can predict sunny, cloudy, fog, storms, snow, etc. 🎁 Attractive Appearance: The weather predictor is made of high borosilicate glass for excellent quality, swan design is cool and unique, it is attractive and has excellent quality. And the design is cool and unique 🎁 Ancient Principle: This exquisite glass barometer uses an ancient principle that changes in air pressure can predict changes in weather conditions 🎁 Practical: Different patterns are formulated according to temperature change. If the water in the glass is clear, which represents that the weather is sunny. If the water in the glass is cloudy, then the weather is cloudy 🎁 Best Gift: This product can not only observe the weather, but also a work of art to decorate the room. You can give it as a Valentines Day gift, Birthday gift, Christmas gift, Thanksgiving gift for girlfriend, child, parents or friends. Features: Different crystal changesDifferent weather produces different crystal changes, like snow, warming, before rain and snow, storm, sunny day.A best decoration This product can not only observe the weather, but also a work of art to decorate the room.PleasureAlthough the chemical reaction of crystals is still a mystery, it is also a pleasure to feel the wonderful and beautiful changes of crystals during the change of seasons.Swan shape This product is with swan shape, it is attractive and has excellent quality. And the swan design is cool and unique.Practical With this product, you can predict sunny, cloudy, fog, storms, snow, etc.Specifications:Item Type:weather forecast bottleMaterial: borosilicate glassColor:transparentQuantity:1pcShape: swanProduct Composition: camphor, anhydrous ethanol potassium nitrate, ammonium chloride(everyone has 2.5g), distilled waterItem Size: 12*7*7cm/4.72*2.75*2.75inch(L*W*H)Weight: 110g/3.88ozPackage:1*weather forecast bottle1*package box