A countdown timer will be useful in many cases: for example, if you like to play online games and you need to track time, as well as during sports activities, cooking, and many other cases. With it, you can track time directly on the site without installing additional applications. Try the Fullscreen button in classrooms and meetings :-) These are great … We've decided to put our new fun timers, and timers for classrooms into a nice sub-section. 123Timer is a simple, convenient and free online timer. A cool little 2 Minutes Timer! Two Minute timer. Online timer with pre-set countdown time for 2 minutes . Free, fun and easy to use 2 min clock countdown. Welcome to our amazing Classroom Timer Section! Simple to use, no settings, just click start for a countdown timer of 2 Minutes.