Plastic jigsaw puzzle structure

Abstract

A plastic jigsaw puzzle includes several pieces, and a base plate; the pieces are made of plastic and pervious to light; each of the pieces has an image layer sandwiched therein, and several fitting portions on an edge thereof such that the pieces can be pieced together with adjacent ones of the fitting portions being fitted together; furthermore, those of the fitting portions of the pieces that face in the same direction have the same shape; the base plate is made of plastic and pervious to light; the base plate has a protruding border, and a transparent middle portion encompassed by the protruding border; the protruding border has an image layer sandwiched therein, and several fitting portions for the fitting portions of the pieces to fit in.

1 . A plastic jigsaw puzzle structure, comprising
 a plurality of pieces; the pieces being made of plastic and pervious to light; each of the pieces having an image layer sandwiched therein; each of the pieces having a plurality of fitting portions on an edge thereof such that the pieces can be pieced together with adjacent ones of the fitting portions being fitted together; those of the fitting portions of the pieces that face in a same direction having a same shape; and   a base plate; the base plate being made of plastic and pervious to light; the base plate having a protruding border, and a transparent middle portion encompassed by the protruding border; the protruding border having an image layer sandwiched therein; the protruding border having a plurality of fitting portions for connection with the pieces.   
   
   
       2 . The plastic jigsaw puzzle structure as recited in  claim 1 , wherein the fitting portions of the pieces and the protruding border of the base plate are fitting protrusions and fitting gaps.