“In Parten's classification, the child's movement from solitary play to more social categories of play is a positive developmental stage. » Parten believed that solitary play was the least mature type of play. However, contemporary research on older, socially adept preschoolers shows that solitary play may not be a product of social immaturity, but rather a personal choice of desirable play (Frost).Smilansky and her play steps Sarah Smilansky () was a senior researcher at the Henrietta Szold Institute: The National Research Institute in the Behavioral Sciences for the Ruth Bressler Center for Educational Research as well as a professor at Tel Aviv University (RESUME). She was also a contemporary of Jean Piaget. Like Mildred Parten, Sarah Smilansky is well known for her four scenes of play. The four stages are: functional play, constructive play, dramatic or symbolic play, and games with rules (on track). In functional play, children are just beginning to learn and explore. They examine and interact with the world around them to learn the function of objects. Piaget and