Welcome to our shop [Hourglass Timer Set]: This set includes 5 hourglass timers - 3 minutes, 5 minutes, 10 minutes, 15 minutes, and 30 minutes. Both sides have different colors and clear numbers for easy differentiation. [Best Time Management Tool]: It helps children to be more productive and aware of their time. The timer can be used for cooking, gaming, classrooms, childcare, and training. It can also be used as a decorative and timing tool for home or office. [Variety of Colors]: The colored hourglass stands out easily in purple, orange, green, blue, and pink. [Shockproof Hourglass]: Our hourglass is made of sturdy plastic cover, borosilicate glass, sea sand, and a protective cover, making it less prone to damage and lasting longer. The hourglass is a highly effective visual cue to increase alertness and time management. [Wide Range of Uses]: The hourglass timer can be used in kitchens, games, classrooms, children's education, and training. It can also be used as a decorative and timing tool at home or in the office. Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. (Customer satisfaction is our top priority. If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will try our best to provide you with satisfactory after sales service) Thank you for meeting me.I hope this helps you. Wish you a happy life. Thank you for choosing our hourglass timer set