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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
Play
I found that Joyce and Steve had a very comprehensive outlook on creating space. I found them to be enlightening and very positive. I wish more people would take the time to be positive and supportive when discussing issues.
As for play, I believe that play shouldn't have a specific purpuse but allow children the opportunity and materials to create their own experiences. When working with younger children you need to supply the opportunity for play, not the purpose. Children will find their own purpose and meaning from play.