sentences:  The World Scout Jamboree is held roughly every four years under the auspices of the WOSM, with members of WAGGGS also invited.WOSM also organises the World Scout Moot, a Jamboree for 17- to 26-year-olds, and has organised the World Scout Indaba, a gathering for Scout leaders.The World Scout Foundation is a perpetual fund governed by a separate Board of Governors and supported by donations for the development of WOSM associated Scouting programs throughout the world.