Time Timer PLUS 20-Minute Timer
Visual timer shows kids and adults how much time is left to complete a task at a glance. Great for tests, centers, meetings and more. Silent operation means there is no loud ticking. Includes a volume control for managing the intensity of the tone that sounds when time is up. Lightweight timer measures 5-1/2 x 7" and has an anti-static disk. Requires one AA battery, sold separately.