Every time you flip it over, you will get a unique different image, the same picture never appears twice. The falling sand and the changing landscape scenes will make you feel calm and relaxed, provides you much pleasure. Carefully screened colorful sand and levels clearly demarcated, flow out excellent 3D effect patterns. Transparent glass allows you to clearly viewing and fully enjoy the beauty of quicksand. The Moving Sands Picture is a wonderful ornament to decorate your home or office. Great gift for your friends or families. Size Chart: 7inch: approx. 27x23x5cm/10.63x9.06x1.97inch Package Includes: 1 Piece Moving Sands Art Picture(Green) 1 Piece Moving Sands Art Picture(Blue) Note: Colors might be different due to different monitor display. Please allow slightly difference in size due to manual measurement.