【Sand Timer】Our sand timer allows young children and teenagers to focus on different activities and educational learning, and is perfect for people of all ages who need help with time management. Precise design, 3/5/10/20/30/60 minutes can meet your different time needs. 【High-quality materials】Made of high-quality and durable transparent plastic shell with glass tube inside. 【Color】Yellow/orange/pink/blue/purple/green/red optional 【Decoration and gift】This sand timer is perfect for decorating your home and office, and can also be used as a gift for children, friends and family. 【Suitable for multiple occasions】Perfect for kitchen, home, classroom, game, practice timer. Note: 1. Manual measurement, please allow 1-3 cm error 2. Due to light and screen differences, the color of this product may be slightly different from the picture 3. The sand timer is handmade, there is a 10% error, which is normal, please think carefully, 4. A small amount of sand timer sand seems to hang on the wall or get stuck, which is normal, wiggle the sand timer wall or put it in the sun to relieve