Features: Round glass frame filled with liquid and sand particles that create shifting landscapes and patterns with each 360-degree rotation.
Purpose: Acts as a calming visual art piece suitable for home or office desks.
Specifications: Typically constructed from glass and plastic (ABS) frames, available in various sizes and colors.
Unique Tech: Some models include a small hole for a syringe to regulate the air bubbles and control the speed of the sand flow.