XCOZU Hourglass Sand Timers, 4 Coloured Sand Glasses for Classroom & Home Office Decoration - 3, 5, 10, 20 Minute Settings

⌛Hourglass for Children and Adult: The timer can be used for helping children and adult build a visual concept of time in many situations. To help monitor various times, such as play, bath or bedtime, etc. Sharing and encourage management time with family or friends. ⌛Different Sand Timers: including 4pcs different coloured sand timers with well package. Yellow, green, blue and red, attractive for use at home, classroom or office etc. Notice: please don not scratch the words on the glass to prevent the words drop off. ⌛Counting Time: 3 minute, 5minutes, 10 minutes, 20 minutes. Please allow with 10% time deviation as the timer are not mechanical clock. Sand timers are very suitable for games counting time, add more fun and game atmosphere. ⌛Well Made Sand Hourglass: timers is made of durable PVC(protective cover) and transparent glass, high borosilicate glass and sand that is runs smoothly. Dimension: 3.7x1.6 inch. Will not easy to break under normal usage conditions, please don't drop it off from high. ⌛Widely Uses: Ideal for kitchen cooking, home, classroom, game, office, study, exercising timer, widely applications. While timing, sand timers can perfect to decorate your home and office, a great gift to children and friends.