Mini Motorland 10 a.m.-noon April 12, John Muir Amphitheater, 115 Tarantino Drive, Martinez. Kids 2-5 drive electric ride-on cars, big wheels, tricycles on track, carwash, face paining. No dogs, gas-powered cars. Preregister $8 at 925-372-3510, www.cityofmartinez.org.
John Muir's legacy
100 years of John Muir's legacy, Earth Day, 50th anniversary of Muir National Historic Site 10 a.m.-4 p.m. April 26, 4202 Alhambra Ave, Martinez. Family activities, food for purchase, auctions, live music, speakers. Free. 925-228-8860, www.nps.gov/jomu.
Lions Club egg hunt
Lions Club Easter Egg Hunt, arrive by 9:45 a.m., hunt begins 10 a.m. April 19, Waterfront Park grass area, Martinez. Ages 2-9. Egg hunt, face painting, bring cameras for pictures with Bunny. 925-372-3510, www.cityofmartinez.org.
Kids 3-6 dig for dinosaur bones 3:30-4:45 p.m. April 25, Waterfront Park, Martinez. Crafts, snacks. $8. Register 925-372-3510, www.cityofmartinez. Limited to 20.
Rodgers Ranch plant sale, expo 10 a.m.-4 p.m. April 5, 315 Cortsen Road, Pleasant Hill. Heirloom tomatoes, herbs, flowers, workshops. 925-682-0896, www.rodgersranchurbanfarm.org.
Contra Costa Master Gardeners' Great Tomato, Plant Sale 10 a.m.-3 p.m. April 5; 10 a.m.-2 p.m. April 12, Our Garden, Shadelands Drive at North Wiget Lane, Walnut Creek. 60 varieties of heirloom tomatoes, peppers, eggplants. All plants $3. 925-646-6586, ccmg.ucanr.edu.
Support women artists
Swan Day 10 a.m. March 29, The Old Train Depot, 407 Ferry St., Martinez. Showcasing diversity of women's creativity through visual arts, more. Free. www.womenarts.org.
Taming of the brew
Bay Area Craft Beer Festival noon-4 p.m. April 12, Martinez Waterfront Park. Microwbrews, live music, food for sale. Free shuttle at North Concord BART, Best Western John Muir Inn. $35, $40 at door. 925-228-3577, firstname.lastname@example.org.
Italian Catholic Federation Branch 13 spaghetti family dinner 5:30 p.m. April 5, St. Catherine of Siena Parish Hall, 604 Mellus St., Martinez. For scholarships. Adults $10; kids 5-11, $5; under 5 free. 925-229-2665.
Garden author speaks
Dinner Talk with Toby Hemenway 5-9 p.m. April 5, Diablo College, 321 Golf Club Road, Pleasant Hill. $25 adults, $15 for students with I.D. http://rodgersranchurbanfarm.org/evening-with-toby-hemenway.