Playing and the growth of imagination.
D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003405:Creativity; D005201:Fantasy; D005260:Female; D006801:Humans; D007092:Imagination; D008297:Male; D008426:Maternal Deprivation; D010988:Play and Playthings; D011575:Psychoanalytic Therapy