Months 19-24

Initiates social play²⁸

Multiple scheme³²

Transition from sensorimotor to symbolic play^{23, 27, 32}

Enjoys toys used for pretend (dolls, play animals)^{23, 33}

Social play is usually with caregiver²³

Imaginary play³³

Onlooker play³³

Watches and imitates others during play⁵⁰

Enjoys short periods of solitary play⁵⁰