Kids get a chance to see & touch vehicles that play an important role in the community. $8. Ages 2 & younger: Free. Tickets on sale on-line or in person. Presented by the Junior League of Napa & Sonoma. 10 a.m.–2 p.m. Siren & beep-free: 10 a.m.–Noon. Sonoma County Fairgrounds. 1350 Bennett Valley Rd., Santa Rosa. Tickets: tinyurl.com/4hcsrucp.