[Color Variation] It is easy to distinguish colored hourglasses in purple, green, orange, blue and pink.[Wide Application] Can be applied to all time management activities, such as brushing teeth, learning, cooking and playing.[Different time] The hourglass contains the following running time: 1, 3, 5, 10, 30 minutes.[Dual-Layer Protection] High quality and durable transparent plastic shell with glass tube inside, plastic, no risk of injury.[Easy to carry] It does not take up too much space and can be carried when going out. Develop a good habit of brushing your teeth for three minutesMake a learning plan, complete learning tasks on time and improve learning efficiencyCultivate a strong sense of time and develop good work and rest time A good helper for daily timing, can be used for kitchen, teeth brushing timer, home office decoration.Using these colorful hourglasses can help you live, study and work better. Not only can it help you do things efficiently, but it can also teach your children the meaning of time. Moreover, it is also very suitable for timing children's cooking, games, exercise, experimentation and learning. Their multiple colors can also make your home more unique, also is a good gift for your children and friends. Hourglass timer for children is not an accurate timer and may have a deviation of 10%When children under 3 years old use the timer, operate it under adult supervisionA small amount of sand in the hourglass may hang on the wall or get stuck, which is a normal phenomenon, just shake it lightly or put it in the sun to ventilate.