Two studies about the influence of toy structures on fantasy play of preschoolers this paper was presented at the Internat. Symposium "Play, Play Therapy, Play Research", Amsterdam, Sept. 12 - 14, 1985 - Einsiedler, Wolfgang 1945-2019 (Institut für Grundschulforschung <Nürnberg>: Berichte und Arbeiten aus dem ..., 1985)