The Flint Hills Antique Power Association of Emporia, KS will display vintage tractors in the grassy area near the visitor center from 10 a.m. to 3 p.m. Listen to the wonderful sounds of John Deere, Farmall, Case, and Oliver tractors as the Parade of Power will take place at 2 p.m. Learn about the individual tractors and the part they played in our heritage. All activities are free of charge. Come join the fun and experience some good old-fashioned hard work and play!