Might use something like this to encourage my class to play nicely on the playground.
Open ended resources. Beautiful, clean and inviting set up
OMG igloo/frozen castle. Love this!
setting up an open ended dramatic play area - Google Search
Santa's Workshop Role Play Area... if we went all out we could do this!! More
What a fun "first day of school" activity to try! Easy to set up--and I bet the students will LOVE it!
Polar Land role-play area classroom display photo - SparkleBox
Fire Truck Dramatic Play
Construction Site- dramatic play