Vendors sell Commerce_sell clothing , belt buckles , and other items with novelty designs The expositions have included Cause_to_be_included : `` Virginia World '' which highlighted Virginia agricultural products , the better living center which hosted Social_event the arts & craft competition Competition displays , the technology expo which highlighted Virginia technology industry , and `` Young McDonald 's Farm '' which displayed Perception_active a variety of young animals for the urban visitor to see Perception_active .