ETA hand2mind Foam Square Color Tiles (Set of 2,000) Explore numbers, patterns, measurement, grouping, and more with this set of colorful tiles Tiles can supplement lessons in counting, addition, subtraction, grouping, pattern matching, and more Made of soft foam, these tiles don't make noise! Tiles measure 1-inch square Includes 2,000 tiles in 4 colors (red, blue, yellow and green), packed in a convenient storage bin