Patent Document ID: 4422642
Application ID: 06429327

Base Claim:
1. A novelty educational puzzle for instructing users in multidirectional, mathematical, grammatical and color skills, said apparatus comprising: a plurality of interlocking yet detachable puzzle piece means; indicia means comprising written information situated upon said plurality of interlocking puzzle piece means; said puzzle pieces being capable of interlocking with others of said plurality of puzzle pieces in both horizontal and vertical columns respectively; assembly restriction means operably associated with said puzzle piece means so as to allow assembly of said puzzle piece means in both the vertical and horizontal directions only when said indicia means is in proper sequence; said indicia means providing information in both the vertical and horizontal directions; said indicia means information comprising initial information, and resultant information proximate to two edges of said puzzle; and said indicia means, said interlocking puzzle piece means, and said assembly restriction means cooperating to provide a puzzle that is restrictive in formation to ensure correct assembly as to both intermediate information and end information in both the vertical and horizontal directions.

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Claim 2:
2. The invention according to claim 1 wherein: said assembly restriction means comprises a plurality of cooperating tabs and recesses situated along the corresponding edges of said puzzle pieces.