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.
2011 LEGO Sets
In 2011, LEGO collectors saw major milestones, particularly with the release of the first-ever internal LEGO sets, Moulding Machines (4000001) and LOM 2011 Moulding (4000002). These exclusive sets, produced in limited quantities, set the foundation for highly valuable future collector items, making them some of the most sought-after LEGO releases among hardcore collectors.