The book in a popular form introduces the reader to the essence of the gyroscopic effect observed in a rapidly rotating spinning top; tells about the manifestations of this effect in the nature around us and in the tools we use, as well as its use in various fields of technology. The book is intended for students of secondary schools, vocational schools and technical schools. It is quite accessible to the reader who is familiar with the elementary foundations of mechanics. The book can be useful for workers in the instrument-making industry and students of higher and secondary educational institutions who have chosen the study of gyroscopic devices and devices as their specialty.