Double-Sided Magnetic NumbersMake number-sense connections with magnets featuring numerals on one side, and photos of colorful, countable items on the other. Large 4" x 4" size makes for easy demonstration on whiteboards and other magnetic surfaces. Reinforces number recognition, counting and operations. Includes 21 self-checking number magnets (0-20), 5 operations magnets (addition, subtraction, greater than, less than, equal), storage box and Activity Guide. Grades PreK+LER 3546 Set of 26