Package ContentsThe set includes 2 3-minute children's hourglasses, one in blue hourglass and one in pink hourglass, cute tooth shapes and cartoon smiley faces make children fall in love with the brushing your teeth. Safe MaterialsOur colorful hourglasses are made of sturdy plastic lids, borosilicate glass and non-toxic sea sand, ensuring optimal safety and durability, not easily damaged and designed for long-term use. Easy to UseUsing the hourglass is simple, just shake the hourglass to loosen all the sand, then turn it over on the table to start the 3-minute countdown, this ease of use encourages everyone to better manage their time in a simple and effective way. Time ManagementChildren's toothbrush hourglass can help people improve time work efficiency and cultivate the concept of time and concentration, it is a very practical time management tool. (Note: This hourglass cannot measure time accurately) Wide ApplicationsThe hourglass is perfect for time management of brushing teeth, cooking or studying, it is a practical timing device in daily life and also a great gift for family, friends and loved ones, a great choice for any occasion. Note: The data are all measured manually, please allow some deviation. 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.