| 摘要 |
<p>Three dimensional-puzzle (1) of the educational games type designed for the development of imagination and perception of space, comprised of an assembly of n3 (n x n x n) pieces such as small cubes (2) which are similar between each other, n being an integer higher than 1, means being provided to join said small cubes (2) so as to form a main cubic piece comprised of n small cubes (2) per side edge and of which the ornamentation corresponds to a fraction or part which is distinct from ornamentations selected for the different bi-dimensional 6n puzzles which form the images of said three-dimensional puzzle (1).</p> |
