Play is a child's work; it's the process through which a child gains knowledge of the surrounding world. Exploring and experimenting helps children find out how things work and children gradually gain knowledge and understanding.

Play is still a very important part at this age, for the rediscover how things work and ason that it is a significant part of development and a way to learn social rules and allow children to express their emotions in a nonthreatening situation.

Furthermore, social and emotional development is very important as children need to be shown correct behavior and how to play together as they move from parallel play to cooperative play.