Read It! Write It! Solve It! All-in-one activity set makes solving and practicing math problems fun at school or home. Skills taught include counting, sorting, grouping, addition and subtraction. Includes: 100 Math Rods®: 20 yellow pictures rods and 20 red pictures rods, each with 8 different picture images; 50 number rods with 5 of each number 0–9; 10 math operation rods as well as a spiral-bound activity book, activity tray, dry-erase boards, washable dry-erase pen, crayon & eraser all stored in a durable, easy-to-clean soft vinyl binder.