An educational tool for use in connection with assisting educationally-challenged students, including autistic students, in developing higher skill sets is disclosed. According to the invention, the tool assists in teaching higher level skills sets including those necessary and desirable for promoting learning of borders and edges, as commonly found in a wide variety of diverse shapes, numbers, characters, and other anthropomorphic shapes, designs, and other indicia known and unknown, to teach boundaries, parameters and borders according to the educational protocol of the present invention. The invention is directed to a set of visual display of graphics incorporating a set of boundaries incorporated into the design of the characters to be learned, provided on a sheet that may be included in a collection and optionally separable from the collection as determined by the teacher. Whether provided in a bound volume or separable, each sheet has a surface with any of the characters that are the subject of the instant educational exercise.