Hourglass 3D Moving Sand Art Picture Round Glass 3D Deep Sea Sandscape In Motion Display Flowing Sand Frame Home DecorationFeature: Smooth movement of sand relieves stress, relaxes your eyes and increases patience. Each flip can produce a completely non repetitive dynamic painting. It is conducive to the development of intelligence and improve mood. The glass frame is crystal clear and luxurious. The inner frame of the plastic has a strong concave and convex feel. Suitable for living room and bedroom decoration. Acrylic base: Acrylic material is delicate and thick and can