Gender and Relationship of Children Introduction The topic of sex differences in the play preschoolers has been explored by many researchers in the past. Studies have been conducted on basic sex differences such as what toys and gender of playmates do young boys and girls prefer. The size of children's play networks, as well as if these networks change in the size during the preschool years have been explored. Also, differences in styles of play and the occurrence of positive and negative interactions have been examined. The effect that parents have on their sons and daughters,