This fits your. Make sure this fits by entering your model number. Dough Not Included. Includes 20 Mats - Full color and laminated Mats are 15' x 10' Children use modeling compounds like clay or doh to complete the images. There are 20 jumbo laminated full color picture scenes for the numbers 1-20. These counting mats provide a fun and tactile way to learn one on one correspondence. One-to-One correspondence is a foundational math skill for preschoolers and young children. It is a building block to counting because it allows children to understand number amounts by being able to match objects groups to a number.