Question: what are the characteristics of a good play environment?
Answer: Active. During active play, children use their bodies and minds in play by interacting with the environment, materials and other people.
Adventurous and risky. This type of play involves children exploring unknown or new concepts. ... 
Communicative. ... 
Enjoyable. ... 
Involved. ... 
Meaningful. ... 
Sociable and interactive. ... 
Symbolic.