Aubrey Shoup, 9, Trafalgar releases a marble down a track made of insulating pipe foam. Watching is her sister Josie Shoup, 12. Youth Connections is celebrating it's 40th anniversary and the work they do advocating for young people in Johnson County. The organization was holding a youth camp Thursday June 9, 2016 with science and mathematics challenges scheduled all day at the Johnson County Fairgrounds in Franklin. Rob Goebel/Daily Journal