[Hourglass Timers 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 be more productive and aware of their time. The clock can be used for kitchen, game, classroom, babysitting and training. It can also be used as a decorative and timing tool for the home or office. [Color variations]: The colorful hourglass is easily distinguished in purple, orange, green, blue and pink. Hourglass [shockproof]: Our hourglass is made of a sturdy plastic cover, borosilicate glass, sea sand and a protective cover, which means it's less likely to get damaged and lasts longer. The hourglass is a very 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 decoration and timing tool at home or in the office.