Description: Unique Dynamic Art: This product is crafted with sealed glass and special sand to create a perfect dynamic picture. Each time it's flipped, it generates a completely unique scene, making it an irresistible piece of art. Beautiful 3D Effect: The beautiful colored sand creates clear layers within the glass, resulting in a flowing and excellent 3D effect pattern. Durable Plastic Frame: The frame is made of plastic which is sturdy and durable. Its fresh and simple design makes it aesthetically pleasing and also more suitable for children to use. Stress Relief: Continuously flowing sand painting can help relief and eye fatigue, making it ideal for office workers, students, or anyone who spends long hours in front of a computer. Perfect Gift: It serves as the perfect gift for holidays, birthdays, celebrations, anniversaries or just as a special treat for your family members. Specification: Material: Plastic Size Chart: Optional Package Includes: 1x Moving Sand Art Note: Please allow slightly errors due to manual measurement and different monitors.