With a total height of 829.8 metres (2,722 ft) and more than 160 stories, Burj Khalifa holds the following astounding records: Tallest building in the world, tallest free-standing structure in the world, highest number of stories in the world, just to name a few! Construction of the Burj Khalifa began in 2004, with the exterior completed five years later in 2009. The building officially opened on 4th January 2010 as part of a new development called Downtown Dubai. Burj Khalifa is at the heart of Dubai and its people; the centre for the world's finest shopping, dining and entertainment. This 3D Puzzle is made of paper and expandable polystyrene foam board, it is easy to assemble without the use of any other tools or glue. No of Pieces: 92. Model Size: 22cm x 19.5cm x 81cm. Age: 8+ years.