Make number-sense connections with magnets featuring numerals on one side, and photos of colorful, countable items on the other! Magnets reinforce number recognition, counting and operations and feature large 4"L x 4"W size for easy-to-see classroom demonstrations on your whiteboard or other magnetic surface. Includes 21 self-checking number magnets (0-20), 5 operations magnets (add, subtract, greater than, less than, equal), storage box and Activity Guide. For PreK and up.