Mechanical Kitchen Timer, Cute Mushroom Timer for Kids, Wind Up 60 Minutes Manual Countdown Timer for Classroom, Home, Study and Cooking (Green Base) This cute countdown timer is made of premium ABS material, which is durable and stain resistant. It is 60 minutes manual countdown timer. The mechanical timer doesnt require any batteries, it is energy saving and eco-friendly. Just wind it up and set time, it will work. It is just two steps to use. The first step is to wind the timer clockwise from 0 to 55, the second step is wind the timer anticlockwise from 55 to the time you want it to ring, then it is finished. It can be used for timing exams, homework, play time, TV time, cooking, etc. Super cute timer for kids, great for kitchen lover. we are confident with the quality of our cute countdown timer. If for any reason, you are not satisfied with it, please let us know and we will make it right- offer a replacement or give a full refund.