1.Creative Birthday Gift: 1minute /3 minutes Sand Timers, a wonderful decoration for your home and office, also is a gift for Kids and easy to catch eyes . 2.Made from Material: plastic and glass. Each Size: 3.54x1.96inches. 3.: Ideal for timing cooking, restaurant, games, classroom, exercising, tooth brushing and other funny things, can teach the children about time meaning with the visual angle. 4.Notice: It is not a precision timing device, so there is time deviation. Designed and tested to be tough! Will not break under normal usage conditions. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.