The LEGO City Seasonal theme (Advent Calendars) are annual LEGO sets released offering a countdown to Christmas. Each set includes 24 small builds, one to be opened and assembled each day from December 1st to December 24th. The calendars typically feature minifigures, tiny vehicles, and festive-themed items, providing a daily LEGO surprise in the lead-up to Christmas.
2010 LEGO Sets
2010 marked the debut of Collectible Minifigures Series 1 and 2, launching a global collector phenomenon. LEGO expanded its Disney partnership with Cars under DUPLO and Toy Story sets in minifigure scale, while Prince of Persia joined the lineup alongside Star Wars sets celebrating The Empire Strikes Back’s 30th anniversary. New original themes included Atlantis, Hero Factory (successor to BIONICLE), World Racers, and Kingdoms, a return to historically inspired castle play. Several older lines ended, including Agents, Bob the Builder, Indiana Jones, and Thomas & Friends.