Each spring, summer, and fall the City & County of Honolulu’s Parks & Recreation department offers a catalog of free and low-cost enrichment classes at parks across District 3 (Waipahu to Keaau), from learn-to-swim and basketball to dancing, ukulele, and arts and crafts. The flagship Summer Fun day camp serves keiki islandwide for no more than $125 per child. Browse and register online via pros.hnl.info.