Teachers can use Classtools Countdown Timer to time classroom activities by displaying it on a projector, whiteboard, interactive board, or during online sessions.
They can also set multiple timers on the same page for different students by adding their names on the top of each timer. Moreover, they can add music to the timers from the website music gallery or from YouTube.
How To Use Classroom Timer?
References:
ClassTools
http://www.classtools.net/
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