FREE printable letter sort for preschool, pre-k, and kindergarten. This FREE download includes a set of 4 letter sorting mats & alphabet rainbow letters. Sort in different ways, including In My Name vs. Not In My Name, Holes vs. No Holes, Uppercase vs. Lowercase, & Curvy vs. Straight vs. Both. Also includes a black and white version to save colored ink. Great activity for back to school to review letters with your students in the classroom or your own kids at home! #kindergarten #preschool