This is a great item to have for multiple uses simple and easy to use. This egg timer is great for classrooms, home, and office settings. Makes an excellent classroom timer, study timer, toddler timer, kid’s timer, kitchen timer, timer clock, time tracker, and more! WARNING: Do NOT WIND THE TIMER CLOCKWISE TO 55 BEFORE EVERYTIME USE. THE TIMER WON'T RING THE BELL WHEN TIME UP!! Highly recommend this egg timer and it was a great buy.