You get a different image every time you turn the clock sand frame Clear glass allows you to fully enjoy the beauty of quicksand Carefully selected colorful sand and levels are clearly distinguished, and the excellent 3D effect pattern flow The continuous stream of sand painting can reduce pressure, relieve eye fatigue, suitable for office workers, students and people working long hours in front of computer When you see scene from flowing sand and different scenery changes, you will feel particularly calm and relaxed Moving sand pictures are a great decoration for your home or office. It is also a great gift for your friends and friend