Go Wild! Nature Program for Kids. Sept. 19. Get up close and personal with real feet and beaks of birds while you play bird games and create a wild craft. Ages 5-9. FREE. San Jose
California Coastal Cleanup Day. Sept. 20. Pick up trash and tidy up the wetland areas near the Don Edwards Wildlife Refuge. Bring a hat and sunscreen. Registration required. FREE. Alviso
Otter Days. Sept. 20-21. Learn about these charismatic creatures from experts who care for them and researchers who study them in the wild at the Monterey Bay Aquarium. Enjoy family activities and programs featuring adorable otters. Monterey. $25-40, under 3 FREE.
Symphony Silicon Valley: The Music of Led Zeppelin. Sept. 20. Bridging the gulf between rock ‘n’ roll and classical music, Symphony Silicon Valley performs songs by the legendary group, amplified by a full rock band and accompanied by screaming vocals. San Jose. $35-62.
History Walk. Sept. 20. Take a leisurely walk to learn about the history of Halls Valley from the Ohlone days and end with a tour of the ranch house. Meet at the ranch house. San Jose. FREE.
SF, Marin & Peninsula
Full-Spectrum Science. Sept. 20. In this dynamic series, Exploratorium scientist Ron Hipschman covers different aspects of physics, including sound, color, heat and temperature, and electrostatics. Each hour-long presentation includes hands-on activities and demonstrations. For ages 6 and up. San Francisco. $19-25, under 5 FREE.
DIY Studio Workshop. Sept. 20. DIY workshop programming is designed to spark the imagination, introduce innovative tools and methods and encourage visitors to take creative risks and try new things. San Francisco. $11, under 2 FREE.
Lizard Lady. Sept. 20. Learn incredible things about lizards and view them close-up. FREE. San Carlos
Junior Engineer Day. Sept. 20. Try your hand at being an engineer on the Sierra Nevada and Pacific railroads with the assistance of the Golden Gate Model Railroaders Club at the Randall Museum. San Francisco. FREE.
AXIS Dance Workshop. Sept. 21. Hop, dance, wiggle, and move to the beat! AXIS Dance Company is now offering a series of drop-in creative dance workshops for children of all abilities at the Contemporary Jewish Museum. $12 general, 18 and under FREE. San Francisco
Pleasanton Harvest Festival. Sept. 19-21. Explore hundreds of booths offering more than 24,000 handmade American arts and crafts featuring beautiful jewelry, clothing, specialty foods, photography, hand-turned wood, ceramics and more. There will also be live entertainment, strolling performers, artist demonstrations, delicious foods and a hands-on Kid Zone offering activities. 10am-6pm Fri. and Sat., 10am-5pm Sun. $9 adults, $4 children ages 13-17, under 12 FREE. Alameda County Fairgrounds.
Eat Real. Sept. 19-21.Come to where a state fair meets a street food festival and block party to celebrate good times and fresh, local food. Visit food trucks galore – no edible item will cost more than $5. 3-9pm Fri., 10am-9pm Sat. and 10am-5pm Sun. FREE. Oakland.
splatter. Sept. 20. "Not your ordinary food, wine and art festival" is the motto for this quirky, arty, family-friendly event that offers international cuisines of the Tri-Valley region, Livermore Valley wines, games, bubbles, music and more. Hungry attendees can visit a food truck or get a passport for the Tasting Pavilion for $25 advance online purchase or $30 at the event. 12-8pm. FREE. Dublin.
Lafayette Art & Wine Festival. Sept. 20-21. This will be the 19th year of the annual festival, featuring more than 250 fine arts and crafts booths, food from top local restaurants, a wine and beer pavilion, music on four stages and a special kids' entertainment and activities area. Drink tickets $7, Kid Zone activities range $1-5. 10am-7pm. FREE. Downtown Lafayette.
Family Music and Dance Jam. Sept. 21. Boom Shake, a multicultural music and movement art program for all ages, invites families to engage in drumming, animal dances, songs from all different parts of the world, playground games and other fun activities at SoleSpace. Bring instruments, costumes and any other props you wish. Healthy refreshments will be served. Donations are welcome. 10-11:30am. Oakland.