19CM Countdown Timer Large, Visual Timer, 60 Timer, 1 Hour Timer, Exam Timer, Kitchen Timer, Loud Alarm Sound 60 Minutes, for Classroom Teaching Homework Games Cooking Office Meeting, Black

• [ Visual Red Disc ] As time elapses the red disk disappears. Large enough to see from a distance. Easy to keep track of time. Helps even the youngest to understand how much time is left.
• [ Mechanical Timing ] You never need to replace batteries. Make sure to wind-up the timer every time before setting countdown minutes. Not suitable for ticking-sound-sensitive users.
• [ Loud Audio Alerts ] Making it clear when time has expired.
• [ Ideal Time Education Tool ] Best tool to help children understand the concept of time. Recommended for parents and teachers, especially special education and early elementary teachers.
• [ Specifications ] Measures 7.5x7.5 inches. No batteries required. One-handed operation. Stands on its own / hanging on the wall / sticks to a magnetic surface. **Not suitable for ticking-sound-sensitive user**