Number and Letter Coloring Book helps children ages 3- 6 - learn fundamental concepts like alphabet and counting through coloring. Fun with Numbers and Letters. Activity Workbook for Toddlers & Kids .The Books are printed on one side of each large 8.5" x 11" page,95 pages professional quality designs.Each Coloring page is printed on a separate page to avoid bleed trough!Suitable for markers, gel pens, coloring pencils, fine liners, water colors.