City Trains is LEGO's main train line since 2006, when 7897 Passenger Train and 7898 Cargo Train Deluxe replaced the old 9 V system. The new trains ran on batteries and plastic track, steered by an infrared remote, and the track kept the curves and switch shapes of the old system so layouts could be mixed.
2011 LEGO Sets
2011 introduced Ninjago, which quickly became one of LEGO’s most successful original themes and the foundation of a long-running multimedia franchise. Other launches included Pirates of the Caribbean, coinciding with Disney’s On Stranger Tides, the sci-fi Alien Conquest, and Master Builder Academy, a design-focused building program. LEGO also experimented with digital-physical integration through Life of George, an early augmented reality experience. Collectible Minifigures Series 3–5 strengthened LEGO’s growing collector market, while internal employee-exclusive sets like Moulding Machines became prized rarities. Several themes concluded this year, including Harry Potter, Ben 10, Power Miners, Toy Story, Prince of Persia, Space Police III, and BrickMaster.