Google now has a free countdown timer. Go to Google Search and type in “Set timer for x minutes.” You can turn off the alarm.
Nice tool for presentations and group work.
For more information, go to http://www.educatorstechnology.com/2014/03/google-now-releases-free-countdown-timer.html?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+educatorstechnology%2FpDkK+%28Educational+Technology+and+Mobile+Learning%29