Forest Schools programmes, for example, have been shown to change the pro-social behaviour of whole year groups in lower KS2 leading to increased engagement and less disruptive behaviour in class. (educationbusinessuk.net)
This resource would be excellent for a whole year group activity or PSHE lesson. (tes.com)
It could easily be used as a whole year group event in a hall or similar venue, or on a smaller scale in lessons. (tes.com)