Rubik's family cubes of all sizes Rubik's family cubes of all sizes The original Rubik's cube was a mechanical 3×3×3 cube puzzle invented in 1974 by the Hungarian sculptor and professor of architecture Ernő Rubik. Extensions of the Rubik's cube have been around for a long time and come in both hardware and software forms. The major extension have been the availability of cubes of larger size and the availability of the more complex cubes with marked centres. The properties of Rubik’s family cubes of any size together with some special attention to software cubes is the main focus of this article. Many properties are mathematical
Puzzle Play the show continued, a clue was shown for each piece. Each clue was usually a video with a host narrating about the shape with information about it. The hosts visited schools, preschools, kindergartens and parks. As the pieces were being removed, a picture was revealed in the background and in the end the 3 hosts guessed what the picture was about. All the pieces were related to final picture. Before the show was aired, it replaced the show "In the Box". Puzzle Play was replaced on 31 January 2011 by "Wurrawhy". Puzzle Play Puzzle Play is an Australian pre-school themed