The interlocking crawling play mat can over up to 36 square feet (6' x 6' area);Can construct various sizes of boxes or cubes;Features 36 pieces of Upper Case Alphabets (A-Z) and Numbers (0-9) foam mats;Dimensions: 12 (L) x 12 (W) x 3/8 (H);Material: Non-toxic high density EVA foam

• Smartots Deluxe Alphabet and Number Mat, 6' x 6'

Smartots Deluxe Alphabet and Number Mat, 6' x 6'Glopo Inc - Toys