"Dave Plowman" wrote in message
...

You could make something up out of LEDs, but these also need a
transformer, and of course blue LEDs are about the most expensive variety.


And they are common as muck these days. Blue LEDs were cool, until folk
started putting them on cars!

The rope stuff linked by Paul is probably your best bet. I've not seen it on
Fiestas or Civics yet, so it's therefore still cool.

F./