WATERMELON MUSIC. All ages and experience levels welcome! This guitar circle is every Tuesday and is free, but we do suggest making a donation to help support The Friends of Watermelon Music and their mission to enrich lives of the community through music. 5p—7p. Free

BOHART MUSEUM OF ENTOMOLOGY. This free, all ages event will be focusing on arachnids, fascinating eight-legged arthropods. Meet arachnid experts, visit the Bohart research collection, make crafts, and have fun learning. 1p—4p. Free