Celebrate the rich cultural heritages of Montgomery County. Westfield Wheaton Plaza Mall parking lot (across from the Wheaton Metro station). Noon to 5 p.m. Sponsored by Montgomery County and Fund for Montgomery, organized by KID (Kids International Discovery) Museum. Free. A highly interactive experience where participants engage in creative projects from the diverse communities that make up some of the largest immigrant populations in the County. Exhibits include culturally authentic arts demonstrations and activities that promote international and multicultural awareness. Call 301-660-7418 or visit www.worldofmontgomery.com.