When the objective is to utilize the out of doors for activities - introducing or extra basic training is needed. Even with young children learning the skills of first aid are important.
Here a communal Teddy Bear was basically tied up in knots. The knot learned to tie off the sling is known as - a reef knot, a flat knot or a sailors knot. Other games and activities were added that allowed the knots to be constantly learned by new people [young and old] revised and utilized.
Even the Teddies on the tripod swings were there supervising the knot that tied off the binding of the tripods.
That knots was a [ known by one of the names above]
Follow through on XeeMe.com/cve4me... you'll find details here.