The Modular Buildings subtheme is a Creator/Advanced Models series of sets introduced in 2007 that feature larger detailed buildings, primarily aimed at older teenagers and adult fans of LEGO. many of the sets in the series are designed to connect together via TECHNIC pins to form the 'The Street Layout'. Café Corner, Grand Emporium, Palace Cinema, and Brick Bank are connecting corners by which two sides of the layout can be joined together. Typically new sets in this series are released once or twice a year.
2009 LEGO Sets
In 2009, LEGO Star Wars celebrated its 10th Anniversary with the release of its 10th Anniversary sets. But even more important, LEGO celebrated its 50th anniversary of the LEGO Brick. A number of new themes were first introduced including BIONICLE Glatorian, Space Police III, Power Miners, Agents 2.0 and LEGO Pirates was re-introduced. Some themes that were retired in 2009 by LEGO included Mars Mission, the original and highly collectable Batman sets. Exo-Force and Belville where also discontinued in 2009.