iLifeTouch (http://ilifetouch.com/) has introduced Time Bomb 1.0, a new way of keeping time on Mac OS X (10.6.6 or later). It costs US$1.99 and is available at the Mac App Store in the Utilities category.
With Time Bomb, you set an alarm or countdown timer. The app counts down to the last minute and “explodes” to wake you up or notify you of an important event. The app sports several customizable features.
The Mother Bomb that acts as a command central. Up to eight separate “mini bombs” can be set simultaneously; all can be color coded.