Fine-crafted soft wooden puzzle offer hands-on introduction to English letters-LOWERCASE. Children learn through play as they fit the brightly colored wooden pieces in the cavities of the board. Each letter is 6 mm thick. Kids can use the pieces for tracing out words. The plastic knobs on these wooden alphabets make it easy for the little fingers to lift the pieces, while the brightly colored pieces teach alphabet recognition. It helps to build their imagination and sharpness their power of observation.