| 摘要 |
<p>According to the present invention, a puzzle assembly comprises: a case; puzzle pieces accepted in the internal space of the case; and a cover installed on the case to be opened or closed. The bottom surface of the cover is drawn with the shape of the puzzle pieces. The puzzle pieces are attached to the bottom surface of the cover by magnetism or adhesion to be detached. The sum of each area of the puzzle pieces is equal to the area of the bottom surface of the cover.</p> |
