Free First Friday at the San Mateo County History Museum
Free First Friday at the San Mateo County History Museum offers free admission and family-friendly history activities in Redwood City, with special programming tied to Easter and Earth Day.
Earth and Arbor Day Festival
Family-friendly Earth and Arbor Day festival across the Bay Area hosted via Cupertino Parks & Rec offering free community nature activities, kids programming, and local Earth Day celebrations.
Messy Art Day
Messy Art Day (Apr 20, 2026) is a hands-on, kid-focused arts session in the San Francisco Bay Area where children and families can create, play and explore messy art activities together—likely free or low-cost.
Oakland Khmer New Year Festival
An outdoor Oakland festival celebrating Khmer New Year with traditional Cambodian dance, music, and cultural activities presented in a Bay Area setting, offering family-friendly entertainment, vendors, and community celebration.
Hansel and Gretel
Family-friendly production of Hansel and Gretel in the Bay Area on 2026-04-20, a kid-oriented theatrical retelling of the classic fairy tale perfect for children and families.
Hanabi Judo Parent’s Night Out
Hanabi Judo Parent’s Night Out on 2026-04-20 offers supervised judo activities for kids so parents can enjoy an evening off—drop-off childcare with sport-focused fun in the Bay Area.
Spring Shindig
Spring Shindig in Alameda (Bay Area) is a family-friendly spring celebration on Apr 20, 2026 featuring Earth Day and Arbor Day activities, kids' nights, farm days, egg hunts and other free community events across local parks and venues.
2nd Saturdays on the Farm
2nd Saturdays on the Farm — a family-friendly outdoor farm day in the Bay Area on April 20, 2026 with kid-focused activities, farm tours and nature programming; community-oriented and typically free to attend.
Northern California Cherry Blossom Parade
The Northern California Cherry Blossom Parade in the Bay Area is a free, family-friendly street festival celebrating spring and Japanese culture with performances, floats and community activities as part of the SF Cherry Blossom Festival.
Kids Night Out at Color Me Mine
Kids Night Out at Color Me Mine in Alameda is an evening pottery-painting drop-off where children enjoy guided arts & crafts and supervised play while parents get a night off.
Bloodywood: System Of A Brown Tour 2026
Bloodywood bring their heavy/folk-metal 'System Of A Brown' tour to August Hall in San Francisco on Apr 20, 2026 for a high-energy live show fusing metal with Indian folk influences.
Kids Night Out at Bay Aerials
Kids Night Out at Bay Aerials is an evening drop-off aerial/gymnastics session for children in the Bay Area offering supervised fun, movement and creative play for families looking for a kid-friendly night out.
Roundtable Reading: Fast Pitch by Nic Stone
Author Nic Stone presents a roundtable reading of her YA novel Fast Pitch at BAMPFA (Bay Area) on 2026-04-20 — an engaging reading and discussion for fans of contemporary YA literature.
Isaia Huron – Mister Lovebomb’s Tiny Little Tour
Isaia Huron brings his 'Mister Lovebomb’s Tiny Little Tour' for an intimate singer-songwriter night at Cafe Du Nord, offering cozy acoustic performances in a classic San Francisco venue.
Cal Sailing Open House
Cal Sailing Open House on April 20, 2026 in the Bay Area — a drop-in meetup to meet club members, learn about sailing programs, and get introduced to on-water activities; family- and beginner-friendly.
Carquinez Model Railroad Society Open House
Carquinez Model Railroad Society open house in the San Francisco Bay Area on 2026-04-20 — a free, family-friendly event with model train layouts, demonstrations and club members available to chat about the hobby.
Kids Night at Swings & Wings
Kids Night at Swings & Wings in Alameda is a family-friendly evening of kid-focused activities and fun as part of April Bay Area family events — check the listing for specific dates and details.
Between the Lines by Playful People
Playful People's April 2026 family listings for the San Francisco Bay Area highlight kid-focused events like Free First Friday at the San Mateo County History Museum, Kids Night, Slide Ranch Family Farm Day and Earth/Arbor Day activities.

Community Mondays: Percussion Workshop with Javier Navarrette
Join Community Mondays for a hands-on percussion workshop with Javier Navarrette at Freight & Salvage. Explore rhythm patterns, hand-drum techniques, and ensemble playing in a warm, intimate Berkeley venue known for strong live acoustics and community vibe.
Sensory Friendly Family Concert
Sensory-friendly family concert in the Bay Area offering an inclusive, low-stimulation music experience for children and their caregivers on April 20, 2026.
Matilda the Musical by Palo Alto Children’s Theatre
Palo Alto Children’s Theatre presents Matilda the Musical on April 20, 2026 — a family-friendly, theatrical musical adaptation perfect for kids and parents alike in Palo Alto.
Neon Paint & Sip Experience
Neon Paint & Sip Experience blends wine with a guided neon-inspired painting session in an indoor San Francisco venue. On 2026-04-20, enjoy casual, social vibes as you create art at 310 4th St—perfect for beginners and artists alike.
Viva Calle
Viva Calle on April 20, 2026 turns Bay Area/San Jose streets into a free open-streets festival with car-free routes, walking and cycling activities, family programming and community booths for all ages.
Pete the Cat
Pete the Cat is a family-friendly children's musical presented by Play Theatre Co in the Bay Area on April 20, 2026, offering sing-along fun and stage entertainment for young kids and their families.
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