Metal cube, has six external surfaces in which each surface receives removable element, where removable element has plane surface adapted to be contacted with surface of cube such that element partially covers surface

摘要

The cube (1) has six external surfaces, where each external surface receives a flat metallic removable element (2) i.e. three dimensional model. The removable element has a plane surface adapted to be contacted with the corresponding external surface of the cube such that the removable element partially covers the external surface. A magnet is arranged on each of internal surfaces of the cube, and a Velcro(RTM: hook and loop fastener) type self-gripping band is placed in each external surface of the cube.