www.streetglow.com
its called EL wire, or it used to be called Hotwirez.
i will look and see if i got any mini-tubes for your application. i might have 2 9" tubes which are almost the exact same size as a No. 2 pencil. and i have the one 15" lightning rod with has a green lighning bolt going across the tube with an adjustable know to make it faster or slower.