Yorba Middle School's Gavin McCullough, makes some last minute adjustment to the school's "Toro Bot" before competing in the 2014 Vex Robotics World Championship at the Anaheim Convention Center Friday. ///ADDITIONAL INFO: robots.0426.kjs --- Photo by KEVIN SULLIVAN / Orange County Register -- 4/25/14 More than 700 teams of elementary, middle, high school and college students from 33 countries are competing in the Robotics Education and Competition Foundation at Anaheim Convention Center. The event's "opening ceremony" starts at 8:30 am; competitions -- which are open to the public -- start around 9 a.m. The student teams created their robots, which must complete a series of tasks to earn points during the competition. The event continues Saturday, when winners will be announced. 4/25/14