The Iron Tailor Vacuum Tube Broach 

This is an instructional video of how to make a delightful little Steampunk Broach, with Vacuum Tubes! This project LIGHTS UP!
For detailed, step-by-step written instructions, with photos, visit my blog at:
TheIronTailor.Blogspot.Com
There are hundreds of other costuming and Steampunk projects there as well!