Don't let the name fool you. This year's SWEETWATER 420 FESTIVAL features a variety of kid-friendly activities, including yoga classes, a moon bounce and circus camp. For the older crowd, there will be plenty of Sweetwater beer and wine; music from such acts as Karl Denson's Tiny Universe; and food, art and eco-friendly workshops for the entire family. The event, which promotes environmental awareness, will take place near a MARTA station and will provide a bicycle valet to encourage the use of "green" transportation. Free-$5. Sat., noon-10 p.m.; Sun., 12:30-8 p.m. Candler Park, 1500 McLendon Ave. www.sweetwater420fest.com.