Grades K & up. A versatile, oversized, and kinesthetic version of the familiar hundreds board. Reinforces hundreds concepts, counting, number patterns, place value, operations, problem solving and overall number fact fluency. Double-sided number frames let you mark or color-code different kinds of numbers, such as even and odd. Includes two inflatable cubes for numerals 1/6 (5" L x 5" H), 54 frames, activity guide with interventions, and wipe-clean vinyl mat measuring 4' L x 4' H.