The book discusses issues related to teaching robotics in schools by using the Lego® Mindstorms® constructor EV3 in the tasks of preparing students for competitions such as mechanical sumo, kegelring, labyrinth and following the line. In the first chapter, the reader gets acquainted with the designer and with the programming environments of robots. The second chapter is devoted to the basics of robot design. The third chapter reveals issues related to robot control. The fourth chapter deals with kegelring competitions.