Mirror blocks

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Mirror Cube solved
Mirror Cube disassembled
Mirror Cube scrambled

The Mirror Blocks, also known as the Mirror Cube and Bump Cube, is a type of twisty puzzle and shape modification of the standard 3x3x3 Rubik's Cube and was invented in 2006. The puzzle's internal mechanism is nearly identical to that of the Rubik's Cube, although it differs from normal 3x3 cubes in that all pieces are the same color (typically reflective gold or silver stickers) and are identified by shape since each one is also a distinct rectangular prism.

Like the Ghost Cube and Mastermorphix, the mirror cube has a 3x3x3 shape, meaning that it can be solved the same way as the 3x3x3 Rubik's Cube. There are many unofficial world records for the fastest solve, the most recent of which being held by Hans Flores, who solved the cube in 9.32 seconds. Due to the Mirror Blocks not being a WCA-sanctioned puzzle, records are more difficult to establish.[1][2][3][4]


The Mirror Blocks was originally invented by Hidetoshi Takeji in 2006. He initially named the puzzle the "Bump Cube" due to it having an uneven, bumpy surface when scrambled. At a competition in Osaka, Hidetoshi showed his puzzle to a speedcuber who took great interest in it. Hidetoshi decided to lend his puzzle to the speedcuber, who showed it to a project group. In the fall of 2008, the puzzle was first mass-produced in Boston by Rubik's and manufactured by MegaHouse. When it was released, it was officially named the Mirror Blocks.[1][2][3]


  1. ^ a b "Online Mirror Cube (3x3x3) - Grubiks". www.grubiks.com. Retrieved 23 December 2017.
  2. ^ a b "TwistyPuzzles.com > Museum > Bump Cube". twistypuzzles.com. Retrieved 23 December 2017.
  3. ^ a b "List of Unofficial World Records - Speedsolving.com Wiki". www.speedsolving.com. Retrieved 15 January 2018.
  4. ^ "World Cube Association". www.worldcubeassociation.org. Retrieved 23 December 2017.