| 摘要 |
<p>A double-layer or multi-layer jigsaw puzzle,consisting of several transparent plastic tile puzzle pieces in two layers or multiple layers; partial patterns are printed on each of the transparent plastic tile puzzle pieces, and the transparent plastic tile puzzle pieces have identical or different shapes; a complete transparent pattern jigsaw puzzle is formed once correctly assembled and overlaid; the completed jigsaw puzzle may be placed in an accompanying container, and the upper cover of the container is a transparent plastic piece.</p> |
