Number Play Dough Mats. These 0-20 number play dough mats can be used with play dough, manipulatives, buttons, etc. Kids can learn numeral recognition and the ten frames can be used to work on number sense. Color and black and white pages are included. A book cover is also included so that you can make an interactive counting book. A great activity for math centers in preschool, pre-k, kindergarten, and tot school.