Children's literature is considered a type of literature intended for children and young people, and it began to develop rapidly in the 19th century with the introduction of compulsory primary school education in many European countries. Literature for children and young people is represented not only by books but also by magazines that were started by well-known and prominent teachers in Croatia at that time. In Istria, children's magazines, also at the encouragement of teachers, began to develop and be published only in the first decade of the 20th century. The paper presents the most famous and popular Istrian magazines for children and youth at the beginning of the 20th century - Mladi Istra, Mladi Istranin, later Mladi Hrvat and Mali Istranin. In all the mentioned magazines there were numerous literary genres intended for children and young people - stories, songs, short stories, plays, legends, fairy tales, riddles, cartoons, etc., and they represented an addition to teaching materials, encouraged love for the homeland and family, and encouraged togetherness.