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 sets the stage for a massive investment opportunity for future collectors with the release of the Series 1 of the Collectable Minifigures. In addition, LEGO introduced the Cars theme and LEGO Harry Potter: Years 1-4 was also released. However, a number of themes and subthemes were retired including Agents, Bob The Builder, Indiana Jones and Thomas and Friends. For the Star Wars collectors, LEGO celebrated the 30th Anniversary of The Empire Strikes Back with a number of special sets. Additionally, LEGO and Disney released a bunch of different Disney subthemes.