Head out of town and have a countryside adventure at Bao Hu Lu Farm. This place will give you a wonderful introduction to life on a farm.
A visit to this farm attraction won't cost a penny, which is just what you want if you're chasing free things to do. You'll find Bao Hu Lu Farm in Zhanggong District. There are loads more places to visit nearby, including Bajing Park and Ganzhou Pontoon Bridge.