Spooky Halloween Science. Oct. 3. Handle slimy worms and learn about their role in decomposition, turn your lab partner into a mummy, make a witch’s potion, create a skull mask and observe a real sheep’s brain. Ages 5-12. FREE. San Jose.
Wharf Centennial Celebration. Oct. 4. Celebrate the Santa Cruz Wharf's 100th birthday with a historic procession down the Wharf, a pop-up museum, antique cars from 1914, bocce ball, photo booths, live music, fireworks and more. FREE. Santa Cruz.
Halloween Scary Boo. Oct. 4-26. Experience the Boo Zones at Gilroy Gardents, created with children in mind and themed for Halloween. Bring the kids for trick or treating, stop by the Creepy Critters petting zoo, Hay Maze, Spider's Lair and more. 10am-6pm. $35, under 3 FREE. Gilroy
Harvest Faire and Steam Festival. Oct. 4-5. Step into the incredible world of steam power and enjoy activities like scarecrow making, pumpkin patch, candle making, gold panning and more at Roaring Camp. Train rides available for purchase. FREE. Felton.
YSI Wildlife Festival. Oct. 5. Meet live animals, enjoy children’s crafts and face painting and watch presentations from other local animal organizations at the Youth Science Institute’s Wildlife Festival. FREE. San Jose.
San Francisco, Peninsula & Marin
Stamp Show. Oct. 4. Celebrate National Stamp Collecting Month and attend this 21st annual stamp show, sponsored by the Redwood Empire Collectors Club. Check out 18 one-frame collector exhibits, 12 dealers from around the country, pick-up free stamps for kids and enter to win a daily door prize. FREE. San Rafael
Halloween Bat Hike. Oct. 4. Learn about some of Halloween’s most interesting mascots and explore Alpine Pond during this leisurely docent-led, one-mile walk. After sunset, bats will hopefully fly out over the pond hunting for dinner. Bring a flashlight and a jacket. FREE. Los Altos.
HeART of Market Dance Performance. Oct. 4. "Dance, Create, Connect" is a participatory, family-friendly event. Enjoy Bollywood, jazz, contemporary, ballet and more. FREE. San Francisco
Manure to Meadow to MMMmmm! Oct. 4. Make homemade organic ice cream topped with fresh fruits and herbs from the garden. Meet the dairy cows and learn how they convert the work of worms into the main ingredient for a favorite treat. Ages 5 and up. $12. Los Altos Hills.
Disney Film Screening. Oct. 5. Watch the animated film, Peter Pan, at the Walt Disney Family Museum. San Francisco. Included with museum admission $12-$20, under 6 FREE
EarthCapades Environmental Vaudeville. Oct. 3. The Village Theatre's “Preschool Performance Series” will present EarthCapades, a team that combines juggling, music, circus skills, storytelling and comedy to teach audiences of all ages that saving the planet can be fun. 10am. $5. Village Theatre, 233 Front St., Danville.
The Kids Club. Oct. 3-5. Explore this special gallery that aims to involve elementary school-age children in creative work. Create a one-of-a-kind felt rug, play with 100 pounds of clay, climb into an art-viewing clubhouse and witness the growing number of drawings and sculptures created by fellow visitors. Open Wed.-Sun., 11am-5pm. $10 adults, children 12 and under FREE. Berkeley.
Family Nature Fun. Oct. 4. Explore the wonderful world of shorebirds and ducks during a family-friendly activity. Binoculars will be available. 2-3pm. FREE. Alameda.
Tarantula Trek. Oct. 4. Join eight-legged divas Mia and Scarlet for a spider talk before taking a slow 2-3 mile walk to find tarantulas and other critters, including scorpions, owls and bats. Bring water, snacks, camera and binoculars, and dress for the weather. Reservations required at firstname.lastname@example.org or email@example.com. 5-8pm. $6 per car. Clayton.
“Foods of the Americas” Family Fun Day. Oct. 5. Enjoy crafts, food, talks, docent tours, cornhusk dolls, food tastings and demos during a special family event at the UC Botanical Garden. 10am-2pm. $10 adults, $5 ages 13-17, $2 ages 5-12, 5 and under FREE. Berkeley.