Cool Plastic Box Ideas Needed!

[tikimama.livejournal.com]

Do you any of you crafty types have any ideas of what to do with digital backup tape boxes? They are like a more pliable plastic cassette tape box, only square. Here is an example of the tape case.

They are hinged, but you cannot really make a container out of them, since it hinges open in the fourth side. I have boxes and boxes of these at work, I hate to throw them away when they are so handy seeming!

I'd love any ideas, and I'm certainly happy to share the wealth!