3M Ultra Reflective Tape
(I know the pics are ugly...)
In normal light;
(https://farm4.static.flickr.com/3661/3482276310_5dc73c79c8.jpg)
And with flash (or in sunlight, or car headlights, etc.)
(https://farm4.static.flickr.com/3388/3481465319_d86e9ce149.jpg)
that is make the beast with two backsing coooool...just needs a cars suck sticker