Lego Mindstorms EV3 Seminar: Introducing Simple Steps and Techniques An online, free lesson to get acquainted with Educational Robotics through learning the Lego Mindstorms EV3 robotic platform. Designed to enable anyone who wants, and especially students, to know how to build and plan a Lego Mindstorms EV3 robot with as simple and understandable steps as possible, including intelligent tricks to make the above process even easier.