The Vladimir Lenin All-Union Pioneer Organization (Russian: Всесою́зная пионе́рская организа́ция и́мени В. И. Ле́нина, tr. Vsesoyúznaya pionérskaya organizátsiya ímeni V. I. Lénina, IPA: [fsʲɪsɐjˈuznəjə pʲɪɐnʲˈerskəjə ɐrɡənʲɪˈzatsɨjə ˈimʲɪnʲɪ vɛ i lʲˈenʲɪnə] (listen), lit. 'The All-Union Pioneer Organization named after V. I. Lenin'), abbreviated as the Young Pioneers, was a mass youth organization of the Soviet Union for children and adolescents aged age 9–15 that existed between 1922 and 1991. Similar to the Scouting organisations of the Western Bloc, Pioneers learned skills of social cooperation and attended publicly funded summer camps.