Free agricultural educational trade show for students and public. The 12th annual AGGIE DAYS, presented by UFA and Exhibition Park opens Tuesday, April 24-25 at Exhibition Park in Lethbridge. This 2-day educational agricultural trade show is free of charge to the public and all schools that register to attend as a class. The agriculture trade show is interactive and educational for young people to learn and experience all aspects of agriculture. There are 45 exhibitors registered to date, of which 14 are new exhibitors.