Here's something interesting you can do with those clear plastic buffer discs that come in stacks of blank CDs: Blow a looooong bubble that looks like a condom. Here's another example. Here's a doubter trying it for himself. Apparently you can do it with actual CDs too, at least according to this post at English Russia. There are lots more videos of CD bubbles on YouTube, showing varying levels of success.
Secret Fun Blog. A mixture of pop-culture artifacts, retro goodness and childhood nostalgia. Don't miss the audio and video offerings. [Secret Fun Blog is an auxiliary of Secret Fun Spot, which appeared on Metafilter in 2002 and is worth revisiting as it has been greatly expanded and updated since then.]