These small 8"x11" foam puzzles pack alot of play, therapy, and learning into a small space. Letters and frame are made from 1/2"" foam, in 4 colors. When letters are pushed out, frame can be used as a stencil. Use letters to spell words, and work on letter recognition; then replace them into the frame. Visual scanning and figure ground skills are reinforced. Foam puzzle pieces offer a good amount of resistance to hands and fingers when being pushed out or into frame. Great activity for use in preschool and elementary classrooms. Comes in capital or lower case letters, or buy a set!