EL CENTRO. July 22 to July 26. Lego Engineering Camp. The El Centro Parks & Recreation Department is offering Lego Engineering Camp from 9 a.m. to noon from July 22 to July 26 at the El Centro Community Center-Activity Center, 375 S. 1st St. This program is open to kids 8 to 15 years old. Bring your imagination and engineering talents and build structures, robots and much more.