Impossible cube ambiguity present in a Necker cube illustration, in which a cube is drawn with its edges as line segments, and can be interpreted as being in either of two different three-dimensional orientations. An impossible cube is usually rendered as a Necker cube in which the line segments representing the edges have been replaced by what are apparently solid beams. In Escher's print, the top four joints of the cube, and the upper of the two crossings between its beams, match one of the two interpretations of the Necker cube, while the bottom four joints and the bottom crossing match the
The Cube (game show) columns. Other equipment in the board game are track pieces, discs, clips, z shaped platform pieces, cannons, blocks, a ball flipper, a beam and card pieces,and a 7 cm x 7 cm x 7 cm plastic cube for playing a series of physical games. The cube is used for a container and to connect onto the cube platform for the electronic games. A reducer also comes with the cube, allowing it to reduce the size of the open top of the cube. This is, in almost all games involving the cube, removed in a simplify. Many well known and classic