Timer Concentration clock 8x8cm black

Small, handy concentration clock that pedagogically counts down the time left on the lesson or task. This makes it easier to concentrate and provides greater study peace in the classroom. The clock is portable and is easiest to place on the workbench. - 8x8 cm - 1 AA battery required, not included - Barely audible - Adjustable from 0-60 min - On and off button for sound signal - The red field decreases in the direction of the clock