The merry, merry month of May is here with tons of celebrations, wildflower walks, picnics in the park, live music and more! Keep an extra eye out for the special Cinco de Mayo celebrations that are sure to make your week. Most of the events are free (or have little cost), so you can have a ton of fun and hardly spend a thing. Win!

Cinco de Mayo San Francisco via Mark Flickr CCPhoto credit: Mark via Flickr Creative Commons

San Francisco

Creativity Day at the Children’s Creativity Museum
Gather up the kiddos and head to the Children’s Creativity Museum for a day of LEGO building, creating, and learning. Meet master LEGO builders from LEGOland California and watch as they complete design challenges, create a stop-motion LEGO movie in the Animation Studio, explore Simple Machine concepts with the maker’s of Goldieblox, learn about prototyping and 3D modeling with the City X Project, and more. Even non-LEGO fans will have a blast at tinkering with all the other amazing, creative and cool things at this museum. Advance registration is required for some of the workshops. Sat., 10 a.m. – 4 p.m. San Francisco. Free. All Ages. Event details.

Old Fashioned Spring Picnic
Head to Golden Gate Park and join Support for Families of Children with Disabilities for an afternoon of art, games, activities, music, and fun! Drinks and dessert are provided, but bring your own picnic lunch and blanket. Advance registration appreciated by calling: 415-920-5040. Sat., 11 a.m. – 2 p.m. San Francisco. Free. All Ages. Event details.

Cinco de Mayo Festival
Celebrate Cinco de Mayo in the heart of San Francisco’s Mission District. This family-friendly, alcohol-free celebration of Mexican and Latin American cultures includes a diverse array of foods, music, dance, art, and more. Highlights include the kid’s zone where kids can bead, weave, try out instruments, craft, paint, and play! Sat., 10 a.m. – 6 p.m. San Francisco. Free. All Ages. Event details.

East Bay

California Bookstore Day at Mr. Mopps’ Children’s Books
Join the Moppses and, amazing local publishing house, McSweeney’s McMullens for an afternoon of fun. There’ll be snacks, a raffle, giveaways, and readings and signings with some of our favorite local authors and illustrators J. Otto Seibold, Jon and Tucker Nichols, and Brian McMullen. Sat., 12 – 4 p.m. Berkeley. Free. All Ages. Event details.

Free First Sunday at the Oakland Museum of California
Enjoy access to all the galleries featuring hands-on exhibits about California’s history, art, and science. Join Oakland Museum of California as they kick off their new exhibits Vinyl: The Sound of Records and SuperAwesome: Art and Giant Robot. Plus kids can try their hand at panning for gold! Sun., 12 p.m. – 3 p.m. Oakland. Free. All Ages. Event details.

Native American Games and Garden Tour
Bring the kids to San Lorenzo High School for a day of  make-and-take crafts, storytelling, Native American games, acorn pounding, and stick dice! Sun., 10 a.m. – 5 p.m. San Lorenzo. Free (donations encouraged). All Ages. Event details.

38th Annual Science Day of Discovery
Make a volcano explode, send a rocket into space, or explore the gooey texture of flubber. If that’s not enough, become an archeologist for the day and dig for dinosaur bones or create giant bubbles. Sat., 10 a.m. – 1 p.m. Lafayette. Free. 3-8. Event details.

South Bay/Peninsula

Wildflower Walk at Edgewood Preserve
Learn about the abundant wildflowers in bloom on this moderate, docent-led, 3-mile hike. It  starts at the Bill & Jean Lane Education Center and has frequent stops for little legs. Be sure to bring water, sunscreen, and a snack for your budding botanists! Pack a lunch to enjoy at one of the many picnic areas and scenic spots in this 467 acre natural preserve. Sat. & Sun., 10 a.m. Redwood City. $6/vehicle park entrance fee. All Ages. Event details.

A la Carte & Art Festival
Head down to Mountain View for a celebration of art and community at this outdoor festival. Two days of live music with headliners like SugaDady, The Hitmen, and The Megatones, an arts and craft show featuring more than 200 artists, home and garden exhibits, food and drink, a classic car show, and a fun zone for kids featuring bouncy houses, bungee jumping, hula hooping, and more! Sat. & Sun., 10 a.m. – 6 p.m. Mountain View. Free. All Ages. Event details.

High Tea at the San Carlos Adult Community Center
This tea party is perfect for all ages and generations. Wear your best hat and gloves: there will be a hat contest and plenty of treats and fun for all. Sat., 1 – 3 p.m. San Carlos: $10/adults; $8/children 12 and under. All Ages. Event details.

Marin County

Family Sunday at Green Gulch Farm
San Francisco Zen Center’s Green Gulch farm is a beautiful retreat from the hectic city life, and this Sunday there is a special talk and program just for kids. Crafts, seasonal projects on the farm and garden, yoga, and ritual. Please check in before the program at the table near the southwest side of the zendo. Sun., 10 – 11:30 a.m. Muir Beach. $10/family. All Ages. Event details.

Make a Gift for Mom at the Park
Bring your kids out to Stafford Lake Park to make something special for mom! Work with rangers to construct a wire bird perch, an acorn feeder, and a shadow print card. (Moms, if you’re reading this, act surprised!)  Supplies and healthy snacks will be provided. Sun., 11 a.m. – 12:30 p.m. Novato. Free. All Ages. Event details.

The Pacific Boychoir at Mill Valley Public Library
The library is not just for books! The inspiring Pacific Boychoir will perform choral arrangements of classical and popular songs for all ages. Hear the Cantori and Trouveres, the Pacific Boychoir’s premier after-school treble ensemble, raise their voices in the Mill Valley Library’s beautiful Main Reading Room. Sun., 11 – 11:45 a.m. Mill Valley. Free. All Ages. Event details.

What’s on your family calendar for this first weekend in May?

— Amber Guetebier