• Celebrate “Noon Year’s Eve” with a “ball drop” and dance party with a live DJ at the Bay Area Discovery Museum at 557 McReynolds Road in Sausalito. The museum is open from 9 a.m. to 2 p.m. today; the ball drop is at noon. Admission is $15 to $20 for the general public and free for members. For more information and to buy tickets, visit bayareadiscoverymuseum.org.

• Find out what happens when 25,000 bouncing balls are dropped from a ladder truck 40 feet in the air at Novato’s New Year’s “ball drop” party for families with kids at noon today at the corner of Machin and Sweetser avenues in Novato. Admission is free; get there early to reserve a spot. Go to downtownnovato.com.

• Sing along to the classic 1971 film version of “Fiddler on the Roof,” sip prosecco and enjoy fireworks screened from London at Lark Theater’s New Year’s Eve celebration at 6:30 tonight at 549 Magnolia Ave. in Larkspur. Admission is $27.25; show and dinner package is $102.25, which includes a $75 gift card for a meal at Left Bank Brasserie before the screening. For more information and to buy tickets, visit larktheater.net.

• Celebrate New Year’s Eve with music from the Rowan Brothers and Kenneth Emerson, a broadcast of the New York City ball drop, champagne and special prix fixe menus at 9 tonight at the Trident at 558 Bridgeway in Sausalito. Dinner prices begin at $65. To RSVP, call 415-331-3232.