Question: what are the stages of materials used in play?
Answer: Unoccupied play. I know this can be hard to believe, but play starts at birth. ... 
Solitary play. This stage, which starts in infancy and is common in toddlers, is when children start to play on their own. ... 
Onlooker play. ... 
Parallel play. ... 
Associative play. ... 
Social play.