The Caramel Kettle will be selling popcorn and gourmet treats at the Frederick County Farm Museum, Rose Hill Manor. Enjoy hayrides, craft demos, children’s hands-on crafts & family activities. Visit barn animals and the Carriage Museum. On Sat. morning, see the antique tractor pull. On Sun., it's a garden tractor pull. Fees for food, hayrides, crafts and manor house tours.