Patent Document ID: 9342995
Application ID: 14282698
Patent Flag: 1

Claim One:
1. A learning aid, comprising: a plurality of substantially planar carrier mediums, each carrier medium comprising: a front side; a back side; a front tactile graphic disposed on and protruding from said front side, said front tactile graphic comprising a plurality of first-variation graphics having a first discriminating characteristic, and a plurality of second-variation graphics having a second discriminating characteristic, and a back tactile graphic disposed on and protruding from said back side, wherein said back tactile graphic is aligned with and symmetrical to said front tactile graphic with respect to the carrier medium; wherein each front tactile graphic in said plurality of substantially planar carrier mediums has the same number of total first-variation graphics and second-variation graphics and a different number of first-variation graphics; and wherein the number and specific configuration of said plurality of first-variation graphics and of said plurality of second-variation graphics of said plurality of carrier medium front sides correspond to and represent numerals in different addition or subtraction math facts of a number family.