These are Lightsabers which you can use in your videos to make visual effects.
On YouTube there's a tutorial for Blender 2.49 which shows you how to use it. But it works the same on Blender 2.6.
http://www.youtube.com/watch?v=n7t-csZmBgw
When I click on your video it says it is private.
me too
When I click on your video it says it is private.