Columbia Memorial Space Center – At LA’s only public robotics lab, program a robot to collect rocks samples, just like the actual rovers that are currently running tests on Mars. In this hands-on exhibit, learn the principles of programming, engineering, failure analysis and mission management. Robotics scout badge/patch workshops are also offered. See Museums for complete listing. 12400 Columbia Way, Downey. (562) 231-1200. www.columbiaspacescience.org.