Robots [educational apparatus and instruments] utilizing electronic servo motors for personal, educational and hobby use and structural parts therefor; robots [educational apparatus and instruments] for educational use in schools and components and sub-assemblies configured for use with the robots; educational robot kits comprised of electrical and mechanical componentry for building robots for educational, hobby or personal use, and including software used for designing, programming and operating said mechanical components which consists of electronic servo motors, wheels, threaded nuts, screws, and other associated mechanical components configured for use with electronic servo-motors; and software for controlling robots with electronic servo motors