- Superior Quality: The Great Sand Timer Combo Pack Set is crafted to meet the highest industrial standard with an accuracy of ± 5%, ensuring reliable timing for various activities. - Durable Design: Each hourglass features robust plastic covers at both ends, preventing rolling and enhancing stability when placed on the ground. This ensures safe use for children and peace of mind for parents. - Versatile Functionality: Available in 3, 5, 8, 10, 15, 20, 25, and 30-minute timers, this sand timer set is ideal for a wide range of activities including teeth brushing, cooking, exercising, playing, and relaxation. - Engaging for Learning: The bright colors of the sand timers not only serve as decorative items for classrooms but also make timing fun for children, promoting better focus and time management in educational settings. - Perfect Gift Choice: Trusted by over 10,000 parents and children worldwide, this set is a thoughtful gift that helps improve productivity and discipline in daily routines. - Customer Satisfaction: We stand by our product with a 100% satisfaction and quality guarantee, making it a reliable addition to your home or classroom. This set is designed to enhance the daily activities of children and adults alike, ensuring effective time management in a fun and engaging way.