FIG. 1 is a plan view of a set of three-dimensional cards including alphabetical figures, numerical symbols, and numerical figures according to the present invention;
FIG. 2 is an enlarged plan view of the letter A according to the present invention;
FIG. 3 is an enlarged plan view of the letter B according to the present invention;
FIG. 4 is an enlarged plan view of the letter C according to the present invention;
FIG. 5 is an enlarged plan view of the letter D according to the present invention;
FIG. 6 is an enlarged plan view of the letter E according to the present invention;
FIG. 7 is an enlarged plan view of the letter F according to the present invention;
FIG. 8 is an enlarged plan view of the letter G according to the present invention;
FIG. 9 is an enlarged plan view of the letter H according to the present invention;
FIG. 10 is an enlarged plan view of the letter I according to the present invention;
FIG. 11 is an enlarged plan view of the letter J according to the present invention;
FIG. 12 is an enlarged plan view of the letter K according to the present invention;
FIG. 13 is an enlarged plan view of the letter L according to the present invention;
FIG. 14 is an enlarged plan view of the letter M according to the present invention;
FIG. 15 is an enlarged plan view of the letter N according to the present invention;
FIG. 16 is an enlarged plan view of the letter O according to the present invention;
FIG. 17 is an enlarged plan view of the letter P according to the present invention;
FIG. 18 is an enlarged plan view of the letter Q according to the present invention;
FIG. 19 is an enlarged plan view of the letter R according to the present invention;
FIG. 20 is an enlarged plan view of the letter S according to the present invention;
FIG. 21 is an enlarged plan view of the letter T according to the present invention;
FIG. 22 is an enlarged plan view of the letter U according to the present invention;
FIG. 23 is an enlarged plan view of the letter V according to the present invention;
FIG. 24 is an enlarged plan view of the letter W according to the present invention;
FIG. 25 is an enlarged plan view of the letter X according to the present invention;
FIG. 26 is an enlarged plan view of the letter Y according to the present invention;
FIG. 27 is an enlarged plan view of the letter Z according to the present invention;
FIG. 28 is an enlarged plan view of a set of mathematical symbols according to the present invention;
FIG. 29 is an enlarged plan view of the number 1 according to the present invention;
FIG. 30 is an enlarged plan view of the number 2 according to the present invention;
FIG. 31 is an enlarged plan view of the number 3 according to the present invention;
FIG. 32 is an enlarged plan view of the number 4 according to the present invention;
FIG. 33 is an enlarged plan view of the number 5 according to the present invention;
FIG. 34 is an enlarged plan view of the number 6 according to the present invention;
FIG. 35 is an enlarged plan view of the number 7 according to the present invention;
FIG. 36 is an enlarged plan view of the number 8 according to the present invention;
FIG. 37 is an enlarged plan view of the number 9 according to the present invention;
FIG. 38 is an enlarged cross sectional view taken along line 38-38 in FIG. 2 illustrating the three dimensional structure of a channel through the letter A showing the raised bumps on the channel, each letter and number in the set having the same appearance;
FIG. 39 is a typical side edge view of each of the set of three-dimensional cards including alphabetical figures, numerical symbols, and numerical figures according to the present invention;
FIG. 40 is a typical top edge view of each of the set of three-dimensional cards including alphabetical figures, numerical symbols, and numerical figures according to the present invention; and,
FIG. 41 and FIG. 42 in combination show a perspective view of the set of three-dimensional cards including alphabetical figures, numerical symbols, and numerical figures according to the present invention as shown in plan view in FIGS. 1-37.