The Ultimate Collector's Series, or UCS, is a LEGO subtheme of Star Wars introduced in 2000 and was meant to be more detailed and aimed at older builders. These Ultimate Collector's Series sets tend to be larger, and more expensive than typical sets.
2013 LEGO Sets
2013 introduced Legends of Chima, a heavily promoted fantasy line positioned as Ninjago’s successor, complete with a companion TV series. Licensed debuts included Teenage Mutant Ninja Turtles, The Lone Ranger, and new DUPLO tie-ins for Jake and the Never Land Pirates and Mickey Mouse. Collectors pursued the ultra-rare Mr. Gold minifigure from Series 10, limited to just 5,000 worldwide. This year also marked LEGO’s shift from 4-digit to 5-digit set numbering as Monster Fighters, SpongeBob SquarePants, Cars, and Dino concluded.