Our sand glass is crafted with high quality glass and plastic, resulting in an excellent product. The flowing speed can be adjusted using the included tools. The polished edges and fine sand make this artwork a stunning addition to your office or home. With an air injector, you can control the quicksand flow speed, making it faster or slower as desired. This interactive art piece continuously creates new scenes with each rotation, bringing a sense of peace and beauty to any space. The sand painting can be rotated 360 °, offering a different view with each flip. It's a fun and relaxing experience, perfect for office workers, students, and anyone who spends a lot of time in front of a computer. This quicksand painting also makes for a unique and thoughtful gift for various occasions.