Discover Duke Gardens with your child. Classes combine stories, songs, movement, observation and hands-on, creative projects to explore the Gardens with changing weekly themes. Topics will include size and measurement, things that float, naturally sticky textures, light, air and wind, water, camouflage, and life underground. For children ages 3-5. Adult chaperone required. Classes meet Tuesdays through Oct. 31. Sign up for one or more sessions. Meet in the Doris Duke Center. Parking fees apply.