The Play Sessions were designed to collect spontaneous communication data from deaf and hearing children. The communication partner was either the child's mother or an experimenter. Various toy figures, puzzles as well as books - Frog Story, Scarry Book - were used as stimuli in these sessions. Children were prompted to take converse about these stimuli and often asked to identify objects, puzzle pieces etc. For this Play Session: Child plays with scarry book together with experimenter; Child plays with toys, frog story, puzzles and book together with mother, brother and sister; Child plays with book, potatoman, toys, book, toys, scarry book and vignette book together with brother, sister, experimenter and mother