In a manual the program and detailed developments of employments are presented on a course the "World of riddles", that acquaints children with the surrounding world through guessing and composition of riddles. Touring an enigmatic country, first-class boys study properties of objects, acquire skills of the system and dialectical thinking, meet with the concepts of theory of decision of inventor tasks (ТРИЗ).Course the "World of riddles" can be studied in a 1 class general establishments within the framework of division of ФГОС НОО "Extracurricular activity at initial school" (program of spiritually-moral development of personality). A course can be taught as independent and as the first part of courses the "World of man", "World of fantasy", "World of logic".2th edition.