I got an email from one of my sources about these and picked some up. Pretty cool little light up toys. They are a little pricey but I can lots of applications for art cars or lighting up th etop of a hat for night time prowling.

A couple of videos:
The chaser pattern

And going through the sequences

I picked up a clear, green and red/blue. About the size of a hockey puck and can withstand trucks driving over them.
Here's where I got them from:
http://store.botachtactical.com/poflpfsali.html