The World Scout Jamboree is held roughly every four years under the auspices of the WOSM , with members of WAGGGS also invited .
The WOSM is associated with three World Scout Centres .
The World Scout Jamboree is held roughly every four years under the auspices of the World Scout Centres , with members of WAGGGS also invited .
The WOSM is associated with three World Scout Centres .