Illuminarie Blue Swirl Hanging Bird Bath or open Bird Feeder. Special crystals embedded in the glass pick up light during the day and glow in the evening. Made of hand-blown glass, adds a wondrous effect to your twilight patio or deck. Can be used as bird bath or a bird feeder. What a wonderful idea for a gift to a friend who would enjoy an evening glow - one of the best lawn and garden decorative items.