HISTORICAL WEATHER INSTRUMENT This sealed glass container comes from early weather traditions and contains special liquid blends that form beautiful crystalline patterns in response to temperature and weather fluctuations Premium construction: made of glass with borosilicate content, this weather display combines durability with artistic beauty. The graceful bird shape highlights its traditional appeal both as a functional instrument and as a decorative item Meaningful gift idea: with its blend of scientific interest and visual charm, this weather glass makes a memorable gift for Valentine's Day, anniversary or special occasion. Its special combination of design and purpose MULTIFUNCTIONAL DECORATION In addition to the weather display, this beautiful bird-shaped weather glass doubles as an eye-catching desk accessory. The ever-changing inner crystals add vibrant elegance to offices, work areas, or any room that needs tasteful yet useful accents Unique weather observation: this elegant, atmospheric bird-shaped display shows fascinating crystal patterns that change depending on weather conditions, from clear to cloudy with small dots, snow changes and delicate lines. A wonderful way to monitor atmospheric changes at home