Perfect for helping children focus in important 1st grade concepts. Includes a 120 mat and 3 inflatable cubes (2 number cubes to create 1- and 2- digit numbers; 1 cube with +10, -10, +1, -1). Features 64 frames, 64 markers, and 4 t-shaped frames that highlight ten more/less and one more/less. Includes activities aligned to the common core. Mat measures 4' X 4.5'. Grades 1 and up/Ages 6 and up.