Material: Plastic and metal. Size: About 8.00X8.00X8.00cm/ 3.14X3.14X3.14in. Designed for cooking in the kitchen and time control for children, one button operation is very simple. Elderly grandmothers and 5-year-old children can use it easily. Can maintain the concentration, suitable for all people with autism, ADHD or other special needs. Just turn it on, and there you go Mechanical timers like this dont need batteries or power, save your money, and make your cooking time faster, easier, and more reliable. They are so friendly that are for young chefs learning to cook for the first time. This manual timer makes you have a good time. The beautifully designed timer wont make you forget the cake in the oven or the pasta on the stove, and youll enjoy using this funny kitchen accessory The timer has a clearly marked 5-minute interval, so you can set the exact number of minutes needed, up to 1 hour After setting the time, continue with the task, and wait for the alarm to sound when the time is up. as a gift for a teacher or kitchen chef. Simple to use and looking, this handy little timer is a great gift for a friend or yourself. Use steps/installation steps: Turn the timer clockwise once to zero, and then turn it counterclockwise to return to the required time. After the timer arrives at the time, it will send out a crisp bell. The longer the rotation time is, the louder the timer will be. Packing list1 x Kitchen Timer