How to learn how to solve complex creative problems in technology, science, art? How to educate the qualities of a creative personality? These and other questions are considered by the authors of the book - specialists in the theory of solving inventive problems created in the USSR (TRIZ). The book is a diary of the summer camp of the scientific society of students, where the authors taught schoolchildren in grades 7-10 to invent. The book is intended for schoolchildren, teachers and parents.