Experiment at the Discovery Museum's Icy Investigations, learn about arms and armor used by Roman soldiers and knights at a WAM program, or meet the Grinch at the Springfield Museum's Gingerbread Saturday.

Friday, December 14 

Backyard and Beyond: Forest Fridays. Discovery Museum, 177 Main St., Acton. 10-10:45 a.m. Experience the outdoors as a family and engage in a nature-based weather-inspired activity, exploring the Discovery Woods or conservation land. Recommended for ages 2 to 6. Free with admission. Members free; nonmembers $14.50, ages under 1 free. 

Gingerbread Houses. Worcester Public Library: Frances Perkins Branch, 470 West Boylston St., Worcester. 3 p.m. & 4 p.m. Build your own gingerbread house and then decorate it with candy. Reserve ahead. Free. 

Friday Fun & Games: Bingo. Worcester Public Library: Main Branch, 3 Salem Sq., Worcester. 4-5 p.m. Test your luck at this game favorite and possibly go home with a prize. For ages 6 to 12. Free. 

Family Autism Evening. The Children’s Museum in Easton, 9 Sullivan Ave., North Easton. 4:30-6:30 p.m. The Museum welcomes families with children 10 and under on the Autism Spectrum and those with Pervasive Developmental Disorder Not Otherwise Specified for a fun afternoon with their families to explore our hands-on exhibits. Register ahead. $3. 

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Saturday, December 15 

BRICKTACULAR: Blue Man Group. LEGOLAND Discovery Center: Boston, 598 Assembly Row, Somerville. 10 a.m. Stop by all weekend to enjoy a holiday themed display capturing the joy of the Blue Man Group, activities, and large-scale sled. Through Sunday. Free with admission. Advance $14.95; day-of $23. 

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

MFA Playdates: Forest Friends. Museum of Fine Arts: Boston, 465 Huntington Ave., Boston. 10:15-11 a.m. Bring your toddler to enjoy story time and looking activities in the galleries, followed by artmaking, exploring the many creatures of the woods. Recommended for ages 4 and under. Free with admission. Members free; nonmember adults $25, youths $10, children under 7 free. 

Family Yoga Class. Newton Free Library, 330 Homer St., Newton. 10:30-11:30 a.m. Participate in cooperative games, age-appropriate poses, partner poses, breathing exercises, and simple mindfulness activities together as a family. For ages 3 to 12 with caregivers. Free. 

Matt Heaton & The Outside Toys. TCAN: Center for Arts, 14 Summer St., Natick. 11 a.m. Enjoy a bonanza of a time, during this family fun concert led by Matt Heaton and his Outside Toys bringing infectious songs and toe-tapping music. Adults $12, children $10. 

Gingerbread Saturday. Springfield Museums, 21 Edwards St., Springfield. 11 a.m.-4 p.m. Meet Santa, explore his workshop and make gifts for a special loved one. High five or hug the Grinch, and more during this day of fun. Check schedule of events. Free with admission. Adults $25, youths $13, ages under 3 free. 

Arms + Armor Demonstrations. Worcester Art Museum, 55 Salisbury St., Worcester. 11:30 a.m. & 2 p.m. A fun interactive program learning all about different kinds of arms and armor used by Roman soldiers, knights, and beyond. Free with admission. Members free; nonmember adults $16, youths 4 and up $6, ages under 4 free. 

Icy Investigations. Discovery Museum, 177 Main St., Acton. 12-2 p.m. Experiment with different types of salt, and watercolors to check out the solid state of water. Free with admission. Members free; nonmembers $14.50, ages under 1 free. 

Snow Globe Making. Fruitlands Museum, 102 Prospect Hill Rd., Harvard. 1-3 p.m. An afternoon of crafting and bringing the outdoor winter wonderland indoors with your very own snow globe. Register ahead. Members $5, nonmembers $10. 

Costume Character Day. Concord Museum, 200 Lexington Rd., Concord. 1-3 p.m. Meet the famous groovy, blue cat, Pete, as we make crafts, and hear the story. Free with admission. Member free; nonmember adults $10, youths 5 and up $3, ages under 5 free. 

Special Storytime: Mike Curato. Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 2 p.m. Join Mike Curato as he reads from his new picture book Merry Christmas, Little Elliot. Free with admission. Adults $9, youths $6, ages under 1 free. 

A Wrinkle in Time. Worcester Public Library: Main Branch, 3 Salem Sq., Worcester. 2:30-4:30 p.m. Enjoy this afternoon adaptation of the classic children’s book following three youths travel across dimensions on an adventure. Free. 

Santa Visit. Worcester Public Library: Roosevelt Branch, 1006 Grafton St., Worcester. 3-4:30 p.m. Join Santa Claus for some seasonal photos to remember. Free. 

Berklee Indian Ensemble: Untold Stories. Berklee Performance Center, 136 Massachusetts Ave., Boston. 8 p.m. Melding Indian music in all its forms with spoken word, poetry, and visuals, the Berklee Indian Ensemble brings together unheard voices to tell their stories. $10-30. 

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Sunday, December 16 

Matt Heaton & the Outside Toys. Coolidge Corner Theatre, 290 Harvard St., Brookline. 10:30 a.m. Mixing surf, American roots, Irish rhythms, and humor, Matt Heaton and his band delight individuals and families of all ages. Adults $13, children $10. 

Brunch with Santa. Beechwood Hotel, 363 Plantation St., Worcester. 10:30 a.m.-2 p.m. Create magical holiday memories at this award-winning Santa Brunch. Celebrate with a merry meet and greet with Santa while enjoying culinary delights with special offerings for children. Reservations required. Adults $46.95, children 6-12 $19.95.

Create with The Carle! Celebration. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 1 p.m. Celebrate the culmination of the 2018 Create with the Carle series. Free with admission. Adults $9, youths $6, ages under 1 free. carlemuseum.org.

Costume Character Day. Concord Museum, 200 Lexington Rd., Concord. 1-3 p.m. Meet the famous groovy, blue cat, Pete, as we make crafts, and hear the story. Free with admission. Member free; nonmember adults $10, youths 5 and up $3, ages under 5 free.

Boston Area Chantey & Maritime Sing. USS Constitution Museum, Charlestown Navy Yard, Building 22, Charlestown. 2-5 p.m. Listen, learn, and lift your voices as you participate in your Maritime Heritage by joining a rousing chorus of sea chanteys at the Museum. Free, donations welcome. 

245th Anniversary Boston Tea Party Reenactment. Old South Meeting House, 310 Washington St., Boston. 6:30-8:30 p.m. Make history at this interactive and family-friendly reenactment of the fateful night almost 250 years ago when patriots brewed up a rebellion with saltwater tea. $30.