lucasfilm on technabob...

ThinkGeek is now offering these totally over the top Star Wars Force FX Lightsabers. They’re far more substantial and effect-laden than the cheapo toy lightsabers out there.

Each lightsaber features a variety of cool effects, including:
glowing blades with sliding power-up/down effect
sound effects digitally recorded from the movie
motion sensor controlled sound effects, Power-up, idle…