WickedLasers’ LaserSaber is as close to a real lightsaber as you can get. It consists of “a tube mount that contains a Spyder III laser beam – like a lightsaber; the LaserSaber (trademarked!) uses a ‘magnetic gravity system that can ‘power up’ and ‘power down’ the blade.'” Continue reading for a video.
The LaserSaber attachment doesn’t make any swishing sounds, requires you wear safety laser shades and costs $100 (that’s without the $300 Spyder III laser). For genuine Star Wars cosplay, you’re better off with the Force FX Lightsaber ($100) that does make sounds or the Hasbro Ultimate FX Lightsabers ($35).