Big Ben' is the nickname for the great bell that chimes the hour in the landmark clock tower, which is part of the Palace of Westminster - Houses of Parliament - in London. The Clock Tower, completed in 1858, has also adopted the name Big Ben and is a prominent symbol of the city of London. The nanoblock ?Sights to See Collection? takes you to encounter fascinating architectural icons around the world. You can try re-creating the Taj Mahal, Eiffel Tower, Kinkakuji Temple or Moai Statues on Easter Island for all to admire and applaud! nanoblocks are all about the creative construction process with rewarding sculptural results ? the perfect three-dimensional puzzle! The miniature blocks connect securely to create extremely detailed objects of varying size and complexity. nanoblock is continually on the look-out for interesting and challenging subjects with different levels of difficulty. Once the ?Miniature Collection? Series has been mastered, being the easiest with 70-200 pieces, followers can then progress onto the ?Sights to See Collection? with 200-600 pieces. But if that is not enough, they can try the ?Advanced Hobby Series? for the freedom to create anything up 6,000 bricks worth of monumental accomplishment! Packs are marked with a scale from 1-8 bricks (1 being the easiest) to show the level of difficulty.