Get in the holiday season early at a fun, free, festive tree lighting; stay cozy at a Community Pajama Night; or enjoy a special event at the MFA for children with autism.

Friday, November 9

Backyard and Beyond: Forest Fridays. Discovery Museum, 177 Main St., Acton. 10-10:45 a.m. Enjoy a nature-based activity inspired by the weather and season as we embrace the day as it comes. Recommended for ages 2 to 6. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Learning Spanish Circle Time. Leominster Public Library, 30 West St., Leominster. 10-11 a.m. Bring your tot and learn new words, phrases, and songs in Spanish, as we build a Spanish vocabulary together, For ages 3 to 5 with a caregiver. Free. leominsterlibrary.org.

Preschool Story and Nature Hour: Owls. Wachusett Meadow Wildlife Sanctuary, 113 Goodnow Rd., Princeton. 10:30-11:30 a.m. From barn to horned to snowy, come to celebrate the owl. Read a storybook, make a craft, and explore the trails. For ages 2 to 5. Register ahead. Member children $3, nonmember children $4, adults free. massaudubon.org.

Community Pajama Night. Berkshire Museum, 39 South St., Pittsfield. 5:30-7 p.m. Wear your favorite pajamas and get comfortable for a cozy night of storytelling, featuring authors, artists, educators, and community members. Free. berkshiremuseum.org.

Worcester Railers vs. Maine Mariners. DCU Center, 50 Foster St., Worcester. 7 p.m. Enjoy as the Worcester Railers takes on the Maine Mariners for the entire family to enjoy. $15-35. dcucenter.com.

Not Fade Away. Regent Theatre, 7 Medford St., Arlington. 8 p.m. Watch as six talented young artists bring you back to the days of swoonin’, boppin’, and rockin’ during this tribute to Buddy Holly, Ritchie Valens, The Big Bopper, and more. $22.50-37.50. regenttheatre.com.

The Wizard of Oz. The Hanover Theatre for the Performing Arts, 2 Southbridge St., Worcester. 8 p.m. Dorothy, Toto, and their friends come to life in this lavish production featuring breathtaking special effects, dazzling choreography, and classic songs. $44-79. thehanovertheatre.org.

Saturday, November 10

Pop Up Play Day. Berkshire Museum, 39 South St., Pittsfield. 10 a.m.-12 p.m. Use your creativity to build and rebuild using big, blue blocks of Imagination Playground and the colorful building component. Free with admission. Members free; nonmember adults $13, youths $6, ages under 4 free. berkshiremuseum.org.

A Sailor’s Life & Legacy. USS Constitution Museum, Charlestown Navy Yard, Building 22, Charlestown. 10 a.m.-5 p.m. Celebrate and honor our nation’s veterans at the USS Constitution Museum by learning about the daily struggles during the War of 1812 and stories of those today. Adults $10, children $5. ussconstitution.org.

Magic by Bonaparte. Coolidge Corner Theatre, 290 Harvard St., Brookline. 10:30 a.m. Shout and laugh with glee as Bonaparte draws you into his whimsical world of magic, bristling with comedy, audience participation, and drama. Recommended for ages 3 and up. Adults $13, children $10. coolidge.org.

Airborne Comedians. Regent Theatre, 7 Medford St., Arlington. 10:30 a.m. Watch this high-energy, unorthodox comedy juggling show, that will delight all with birdbaths, lawn chairs, guitars, and bats flying through the air. Recommended for ages 3 and up. Adults $10, youth 2 to 12 $8. regenttheatre.com.

Beyond the Spectrum: Show Me A Story. Museum of Fine Arts: Boston, 465 Huntington Ave., Boston. 10:30 a.m.-12:30 p.m. Look at examples of visual storytelling from Ancient Egyptian manuscripts to modern children’s storybooks, before creating books we can use to write or illustrate during this adventures in art for children on the Autism Spectrum. For ages 8 to 12. $9. mfa.org.

Everyday Engineering: Balls and Ramps. Discovery Museum, 177 Main St., Acton. 11 a.m.-2 p.m. Engage in some everyday engineering as you construct and create with repurposed and recycled materials, as you design, build, and test out some simple tracks and mini roller coasters. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Special Storytime: Grace Lin. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 2 p.m. Join Newberry Honor author Grace Lin as she reads from her new picture book, A Big Mooncake for Little Star. Free with admission. Adults $9, youths $6. carlemuseum.org.

The Wizard of Oz. The Hanover Theatre for the Performing Arts, 2 Southbridge St., Worcester. 2 p.m. & 8 p.m. Dorothy, Toto, and their friends come to life in this lavish production featuring breathtaking special effects, dazzling choreography, and classic songs. $44-79. thehanovertheatre.org.

Hotel Transylvania 3. Newton Free Library, 330 Homer St., Newton. 2:30 p.m. Watch as your favorite funny and mischievous creatures go on a new adventure away from their haunted hotel and onto the beach. Free. newtonfreelibrary.net.

Library LEGO Inventors. Leominster Public Library, 30 West St., Leominster. 3-4 p.m. Relish the opportunity to build using your imagination or a LEGO challenge from the LEGO bingo board. For ages K through 6th grade. Register ahead. Free. leominsterlibrary.org.

Carroll Plaza Lighting. The Hanover Theatre for the Performing Arts,
2 Southbridge St., Worcester. 4:30 p.m. Enjoy a fun, free and festive event with singers from A Christmas Carol, cast members from The Nutcracker and a special appearance from Buddy the Elf when he lights the trees in the plaza to prepare for the season ahead. Plus, stop by a station to write letters to Santa!

Sunday, November 11 

A Sailor’s Life & Legacy. USS Constitution Museum, Charlestown Navy Yard, Building 22, Charlestown. 10 a.m.-5 p.m. Celebrate and honor our nation’s veterans at the USS Constitution Museum by learning about the daily struggles during the War of 1812 and stories of those today. Adults $10, children $5. ussconstitution.org.

The Wizard of Oz. The Hanover Theatre for the Performing Arts, 2 Southbridge St., Worcester. 1 p.m. & 6:30 p.m. Dorothy, Toto, and their friends come to life in this lavish production featuring breathtaking special effects, dazzling choreography, and classic songs. $44-79. thehanovertheatre.org.

ARTfull Explorations. deCordova Sculpture Park & Museum, 51 Sandy Pond Rd., Lincoln. 1 p.m.-3 p.m. Explore Sculpture Park installations and Museum exhibitions with the whole family. Investigate materials and ideas that weave through our spaces. Recommended for ages 5 to 12. Free with admission. Members free; nonmember $14, ages 12 and under free. deCordova.org.

Luminous Chaos. deCordova Sculpture Park & Museum, 51 Sandy Pond Rd., Lincoln. 1-3 p.m. Sculpt, paint, paste, mush, twist, and illuminate messy materials to create your own luminous mini-sculptures. Free with admission. Members free; nonmember $14, ages 12 and under free. deCordova.org.