Mechanical kitchen timers are battery-free, so you can avoid the hassle of constantly replacing batteries. Make your kitchen time management easier with this mechanical kitchen timer kitchen timer is mechanical and needs to be wound up. If you do not follow the instructions, the timer will not sound when the time is over. For example, it takes 5 minutes to boil an egg. In the first step, you need to turn the timer clockwise, from 0-5-10-15 to 20-30-40-55. Note :(the hands end at 55 minutes) step 2: turn the timer counterclockwise from 55-40-30-20-15-10-5. Note :(the pointer ends at 5 minutes). Step 3: After 5 minutes, the timer will sound. mechanical kitchen timer's loud bell is sure to alert you when your food is ready, and the cute design makes it the perfect gift for Valentine's Day or spring. Mechanical kitchen timers are the perfect solution for kitchen time management A 60 minute winding rotating countdown allows you to easily track the cooking time. kitchen timer needs to be on the chain every time until "55" minutes. Only rotate the animal's head and do not wrap around the base.