AnnyMart Creative Vintage Desktop Globe Glass Crafts Weather Storm Forecast Predictor Bottle Barometer with High Grade Packaging Best desktop in Study room Sitting Room Bedroom to decoration Creative stylish gifts for friends festivals,everyone likes Storm-glass weather change predictor for anticipating storms,modeled after storm-glass instruments used in the 18th and 19th centuries Storms' electromagnetic fields create series of crystal structures in glass Enclosed in sealed glass chamber within beautifully crafted brass cylinder