The document outlines Mildred Parten's six stages of play: unoccupied play, solitary play, onlooker play, parallel play, associative play, and cooperative play. It describes each stage, including the typical age ranges and skills developed at each stage. Unoccupied play involves no real engagement and is seen in infants. Solitary play involves playing alone and is common in toddlers ages 2-3. Onlooker play involves observing others play without joining in. Parallel play and associative play involve playing side-by-side or together without set rules, developing social and language skills. Cooperative play involves assigned roles and group goals for children ages 4-6.