In this photo made on Monday, Dec. 14, 2015, 32 year old Tsai Jung-chou or known by sci-fi fans as “Makoto Tsai”, upgrades a replica Star Wars lightsaber with his personally designed LEDs and sound card at his home workshop in New Taipei City, Taiwan. A former optical engineer, Tsai now designs and fabricates his own versions of the iconic sci-fi weapon which he sells for up to $400 per model. (AP Photo/Wally Santana)