What can you get done in 60 minutes? Improve time management, perform tasks effectively, complete your work, and encourage productive learning with this 60-minute visual countdown timer. The timer has no battery, every time you need wound first, just wind it all the way once to 55. Features -Color: Random Color -Material: ABS -Size: 7.50X7.00X7.00cm/2.95X2.75X2.75inch -The alarm is loud enough, make the timer easy for children to understand the passage of time. -Wind-up the timer by turning the control knob clockwise until reaches 55-minute for every time use. -Continue with the task after setting the time, and then wait for the timer to sound when the up. -The timer clock reminder can be set, not only for cooking time, but also for meeting and lunch time. -An excellent classroom timer, study timer, kids timer, toddler timer, kitchen timer, timer clock. Package list: 1 x timer