It’s a special delivery of new preschool alphabet skills! This friendly mailbox is packed with letter learning funmath the 26 uppercase and lowercase letter puzzles, then flip them over and solve beginning sounds puzzles! Plus, practice writing skills with the write & wipe postcards. Includes 30 reusable postage stamp stickers! Mailbox measures 8.6″L x 6″W x 6.8″H. Ages 4+