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 toys, puzzles, toys, scarry book and puzzles together with sister and experimenter; Child plays with toys, potatoman, frog story, toys and book together with sister and experimenters