Features: <br> <br>The weather forecast bottle is made of glass with liquid inside, durable in use. <br>It is used to detect air pressure and it reads the pressure change and predicts the weather change. <br>A very beautiful home decoration and a weather forecast bottle for predicting the next day's weather condition. <br>It not only can be used as a weather forecast bottle, but also can be used as a nice home table decoration. <br>When it's going to rain, the water in the thinner glass tube will be risen up, higher than the water level in the glass ball. <br>When the sunny day, the water in the thinner glass tube will fall back to the same level as the glass ball. <br>A nice gift for your family and friends, suitable for birthday gift, Valentine's Day gift and anniversary gift. <br> <br>Specification: <br>Condition: 100% Brand New <br>Material: Glass <br>Color: Blue <br>Size: Approx. 15cm / 5.9in <br>Weight: Approx. 157g / 5.5 oz <br> <br>Instruction: <br>Put some water in the water-soluble pigment, cover a plastic tube on the injector, fill the injector with the color water, and inject it into the bottle. It takes about three times. <br> <br>Package list: <br>1 * Glass Bottle <br>1 * Pigment <br>1 * Injector <br>1 * Instruction Manual <br> <br>Note: <br>1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding. <br>2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.<br>1、The weather forecast bottle is made of glass with liquid inside, durable in use <br>2、It is used to detect air pressure and it reads the pressure change and predicts the weather change <br>3、A very beautiful home decoration and a weather forecast bottle for predicting the next day's weather condition <br>4、It not only can be used as a weather forecast bottle, but also can be used as a nice home table decoration <br>5、When it's going to rain, the water in the thinner glass tube will be risen up, higher than the water level in the glass ball