Firefly Star Wars Yoda Lightsaber Toothbrush. Know the power of the Force with the Firefly Star Wars Yoda Lightsaber flashing and talking toothbrush! The light saber flashes for 60 seconds, dentist recommended time for proper cleaning of each row of teeth. Inspired by Yoda the lightsaber has sound effects and lights-up like his lightsaber to keep children entertained.