The Nutter Foundation presents Dozer Day, 11 a.m. to 4 p.m. Oct. 5 and 6 at the Clark County Event Center at the Fairgrounds, 17402 NE. Delfel Road, Ridgefield. Dozer Day is a weekend of family fun, putting kids in close contact with heavy construction machinery and activities like the tire crawl, kids’ dig, contests, and sponsor giveaways. Visit Vancouver.DozerDay.org for details and to purchase tickets online for $15 per person or $20 at the gate.