Patent Document ID: 8202099
Application ID: 11966930

Base Claim:
1. An educational apparatus for teaching phonics, spelling and reading, the apparatus comprising a plurality of structural units, each including a first face and at least one additional face, a 3-letter word indicia imprinted upon each of said first faces, one word to a face, wherein each of said 3-letter word indicia indicates a different word, a 3-letter word indicia printed on the at least one additional face of each of the plurality of structural units, wherein each 3-letter word indicia on each of the said first faces constitutes a first word member of an instructional word-pair of which instructional word-pair a second word member is located on a face of another of the plurality of structural objects, wherein each instructional word-pair comprises two 3-letter words differing by substitution of a single letter.

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Claim 14:
14. The educational apparatus of claim 1 , wherein a set of words corresponding to the words imprinted on faces of the structural units further comprises at least one symmetrical word that reads the same forward or backward, at least one forward-backward word-pair wherein the first word of the word-pair reads in reverse with respect to the second word of the word-pair, at least one word-pair wherein only the first letter changes between the pair, at least one word-pair wherein the last letter changes between the pair, and at least one word-pair wherein the middle letter changes between the pair.