Fridge magnets are really just for decoration, and / or memories. Either way, these ones over here, while not being exceptionally useful, will turn your fridge into something that looks like a digital watch.

Each magnet is 0.75" long, printed with florescent green ink can be made into anything you want it to look like. They cost $15 for 566 strips from Think Geek. [Think Geek via Laughing Squid]