3 fun things to do this week in Marin

• It’s safe to say you’ll find something unique or one-of-a-kind at the Marin Arts & Crafts Show on Friday through Sunday. Inspired by the arts and crafts movement of the late 19th century, the three-day event features more than 200 artisan exhibits — showcasing fine art, jewelry, ceramics, woodwork, specialty foods and more — as well as artistic workshops, a wine tasting and live music. Admission is free. Come peruse from 10 a.m. to 6 p.m. Friday and Saturday, and 10 a.m. to 5 p.m. Sunday at the Marin Center Exhibit Hall at 10 Avenue of the Flags in San Rafael. Go to MarinArtsAndCraftsShow.com.

• Celebrate autumn at the Marin JCC Harvest Festival from 11 a.m. to 2 p.m. Sunday at Osher Marin JCC at 200 North San Pedro Road in San Rafael. Bring friends and family for entertainment and activities for all ages, live music, arts and crafts and more. Admission is free. Go to marinjcc.org/event/marin-jcc-harvest-festival.

• Come solve 10 clues that’ll lead you to hidden treasures in Fairfax as part of the Fairfax Treasure Hunt, which returns this weekend after a 10-year hiatus. The hunt will start on foot at 1 p.m. Saturday starting from Bolinas Park in Fairfax. Check in at 12:30 p.m. Expect to walk 2.5 to 3 miles. Bring water, snacks and a pen. Admission is $10 in advance and a limited number of tickets will be available for $25 at the event. Proceeds benefit the Marin Museum of Bicycling. For more information and to get tickets, go mmbhof.org/FTH23.