Audubon farmer Randy Dreher ar­­rived early to help set up for a recent Iowa FFA conference, where 150-plus high school students would soon fill the halls of the FFA Enrichment Center in Ankeny.

Dreher knew it wouldn’t be easy to capture the wandering attention of a group of young ag students on a Saturday morning.

So Dreher and the state FFA officers made sure to offer plenty of games, props and loud music, ...