Lego Tube map to celebrate 150 years of London UndergroundPublished12 June 2013Shareclose panelShare pageCopy linkAbout sharingImage caption, Five Tube maps have been made entirely with Lego bricks as part of London Underground's 150th anniversary celebrations.Image caption, Each map is made up of 1,000 bricks and took four days to build. They show how the network has evolved over the years, starting from 1927.Image caption, They will be displayed in ticket halls at South Kensington (1927 map); Piccadilly Circus (1933, Harry Beck's original); Green Park (1968) and Stratford (2013).Image caption, A fifth at King's Cross St Pancras will show a map for 2020 including Crossrail, the proposed Croxley Rail Link and the proposed Northern Line extension.Image caption, London Underground has held a series of events to mark 150 years since a steam train first powered through the tunnels. These have included a re-enactment of that first journey and a royal visit.