I just made up two of these like the video shows, and they work great! Light up every time and easy to turn off. I found the Thill Nite Brite bobber lights at Walmart for $3.36 each.
[video=youtube;hMqLT-4ezzk]http://www.youtube.com/watch?v=hMqLT-4ezzk[/video]
[video=youtube;hMqLT-4ezzk]http://www.youtube.com/watch?v=hMqLT-4ezzk[/video]