These are some videos I have found helpful for folks who have not studies child development, but are care givers or teachers or supervisors at after-school programs or summer camps who just want a bit of information on the value of loose parts and unstructured play, without having to read any books or academic journal articles.
Outdoor Play and Learning: Loose Parts (5 min)
3 key ingredients for supporting children’s outdoor play | Dr Mariana Brussoni (4 min)
–> Outside Play is a great web site by Dr. Brussoni’s research team to help adults move from “No” to “Maybe” to “Yes”
Forest schools and risky play | Marlene Power (11:30 min)
T K Adventure Play 