One inch square graph paper is ideal for math based learning activities, fine motor practice of young kids including those with learning disorders, visual challenges, disgraphia, written expression diagnosis, etc. Lovers of football squares (Super Bowl board) and other Pen & Paper games also enjoy it.
The author also offers the book with a grid with margins as well as books with other square grid sizes (1/2, 1/4 and 1/5 inch, and 1cm square) and various non square types of the grid papers.