Jig-saw puzzle educational game device

Comprehension enhancing apparatus comprising plural cubic blocks having six side faces and engagement means mounted on the blocks on all faces, the engagement means comprising first attachment means and second attachment means selectively positioned on different faces of the blocks, the first attachment means and second attachment means being mutually conjunctive when juxtaposed on faces of adjacent blocks and the first attachment means being repulsive to first attachment means and the second attachment means being neither conjunctive nor repulsive to second attachment means when juxtaposed on faces of adjacent blocks, and a plurality of representation symbols on each block, the representation symbols and the attachment means being organized in a predetermined arrangement, and a base having attachment means for individually holding the first attachment means while not repelling the second attachment means, whereby rows of blocks with interengaged first and second attachment means are arranged on the base with the base attachment means holding the rows by engaging with the first attachment means on individual blocks.