TWENTY5 Seven 7.5" Countdown Timer; 60 Minutes 1 Hour Visual Timer - Classroom Teaching Tool, Office Meeting, Mechanical Clock for Kids,

Visual Sky Blue Disc: As time passes, the sky blue disc disappears. Big enough to see from a distance. Easy to keep track of time. Help even the youngest to understand how much time is left. Mechanical timer: you never need to replace batteries. Be sure to wind up the timer every time before setting the countdown. Not suitable for users sensitive to ticking noise. Powerful Audio Alerts - Making it clear when the time has expired. IDEAL TIME EDUCATION TOOL - The best tool to help children understand the concept of time. Recommended for parents and teachers, especially special education and primary teachers. Specifications: Measures 19 x 19 cm. No batteries required. One-handed operation. Stands on its own / hangs on the wall / sticks to a magnetic surface. **Not suitable for users sensitive to the sound of ticking**