High Quality MaterialThis cute countdown timer is made of premium ABS material, which is durable and stain resistant. It is 60 minutes manual countdown timer.No Battery Required & Easy Operation The mechanical timer doesnt require any batteries, it is energy saving and eco-friendly. Just wind it up and set time, it will work.Why not ring?Very important, please follow this instruction: Step 1: "Wind Up". You MUST wind the timer from 0,5,10, 15... to 55 (otherwise, it won't ring); Step 2: "Set Time". Wind the timer from 55 back to the time you want to set.Perfect for Any OccasionIt can be used for timing exams, homework, play time, TV time, cooking, etc. Super cute timer for kids, great for kitchen lover.Pay attention to the instructionThere will be a ticking sound during the use of the wind up 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.