Patent ID: 6923444

Claim:
A slide puzzle comprising: a planar body comprising a retainer; plural image-bearing puzzle pieces disposed adjacent one another in a planar arrangement, the pieces being slidable with respect to one another and said body along a first plane, each piece having a first side and an opposing second side, and the plane comprising an open area into which the puzzle pieces can slide; a first image comprising plural encoded first image portions, said first image portions disposed on said first side of said puzzle pieces; a second image comprising plural second image portions disposed on said second side of said puzzle pieces; wherein the retainer is in slidable engagement with the puzzle pieces thereby keeping the puzzle pieces adjacent the body and in proximity to one another; said body further comprises at least one viewing portion through which at least one of said first image portions can be viewed at a time, said viewing portion comprising a decoding lens comprising plural different decoding lens portions; a decoded image is formed when the decoding lens portions superpose and are adjacent to respective ones of said encoded first image portions.