LEDsabre
The sabre you can use!

Extend your sabre

(2002-11-01) "I may not be a Jedi, but I play one on Halloween."
Last night was Halloween and an unbeknownst-to-me cancellation of our PLU Jazz Choir rehearsal allowed me to jet home to help my girlfriend hand out candy to the neighborhood youngmonsters. Although my plans for a complete sabre have yet to come through, I used the ToiletSabre to dazzle children and parents alike (along with a full Jedi costume which was assembled in less than a minute).

ToiletSabre - the how-to