How to use the mechanical timerBE SURE TO READ AND FOLLOW THE DIRECTIONS FOR SETTING IT: turn clockwise to 55 minutes, then counter clockwise to set desired time. There will be a ticking sound during the use of the timer. After the timer bell rings, the ticking sound will continue for a few seconds before it stops. Those who mind it please think it through before purchasing. High quality material Skin-friendly The animal timers made of high quality metal and PVC, it is strong and durable. All the interface with careful polishing with no sharp spot. 80DP mechanical timer, no batteries required. Beautiful design timer for classroomThe dinosaur design is cute and beautiful, which greatly improves children's concept of time management,Such as cooking, baking, reading, homework, jogging, assignments, special needs and much more. Perfect giftA funny timer is not only a timer, but also a home decoration that you can give to loved ones, children, mother, lover, friends, etc., on different holidays (e.g. Christmas/Valentine's Day/Thanksgiving/birthday, etc.). After-sales serviceIf you have any questions about the time timer , we will provide 24-hour timely customer service to better solve the problem. Whatever the reason, if you don't like the kid timer , we'll give you a refund or replace it.