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.
2007 LEGO Sets
2007 introduced the Modular Buildings series with Café Corner (10182) and Market Street (10190), defining a new era of advanced architectural builds. LEGO Star Wars celebrated its 30th anniversary, commemorated by a limited 14-karat gold C-3PO minifigure. New or refreshed themes included Aqua Raiders, Mars Mission, and a modernized Castle line, while Knights’ Kingdom II and the 9V Train system were retired. DUPLO added Thomas & Friends, extending LEGO’s preschool range.