Alphabet Sorting Set Develop letter recognition, alphabet sequencing and encourage word and sentence building with this versatile alphabet activity tray. Includes 2 plastic trays, 11-1/4" x 13-1/2" x 1-1/4" (29cm x 34cm x 3cm) each; 4 large letter cards that fit in the bottom of the trays, 2 upper and 2 lower case; 75 picture cards; 75 word cards; 26 upper and 54 lower case tactile letters and an instructional guide.