This hands-on set starts with number recognition and counting tasks, then advances to simple addition/subtraction with objects and numbers, patterning, early problem solving, and quantity comparisons. Includes 26 double-sided activity mats, 35 extra-thick soft picture tiles, 20 Lauri® Crepe Rubber number plaques, 50 Crepe Rubber counters, a kit box with drawers, and activity guide. Ages 3 and up.