Explore the Springfield Museum's new Dinosaur Discoveries exhibit, stretch out at a family yoga class, or bundle up, look to the sky and sip hot cocoa at the Fruitland Museum's Astronomy Night.

Friday, January 25 

Backyard and Beyond: Forest Fridays. Discovery Museum, 177 Main St., Acton. 10-10:45 a.m. Enjoy a nature-based activity taking cue from the weather outside, before doing some outdoor exploration. Recommended for ages 2 to 6. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Pajama Drive Storytime with Stuffed Animals. Leominster Public Library, 30 West St., Leominster. 11 a.m.-12 p.m. Wear your favorite pajamas and enjoy a special story and craft time, where you can drop-off your stuffed animal for their own library sleepover. For ages 3 to 7. Register ahead. Free. leominsterlibrary.org.

Everyday Engineering: Air Play. Discovery Museum, 177 Main St., Acton. 2-4:30 p.m. Drop-in and engage in some everyday engineering as you build creations that float and fly in a tunnel of swirling air. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Evening of Illumination. Old Sturbridge Village, 1 Old Sturbridge Village Rd., Sturbridge. 6-7:30 p.m. Tour the historic Village lit only by candles, oil lamps, lanterns, and firelight during this calming and beautiful evening, featuring music and storytelling throughout. Members $30, nonmembers $35. osv.org.

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Saturday, January 26 

First Book Friendiversary. The Eric Carle Museum of Picture Book Art, 125 West Bay Rd., Amherst. 10 a.m.-4 p.m. Bring a friend and join us as we celebrate books with Elephant, Piggie, and a host of other museum friends. Free. carlemuseum.org.

Dinosaur Discoveries Celebration. Springfield Museums, 21 Edwards St., Springfield. 10 a.m.-5 p.m. Come all day to celebrate the new exhibit opening, with tech discoveries, dinosaur games, fossil stations, family science adventures, and more. Free with admission. Adults $25, youths 3 and up $13, ages under 3 free. springfieldmuseums.org.

Charismatic Comedy Magic. The Regent Theatre, 7 Medford St., Arlington. 10:30 a.m. Illusionist Matt Roberts brings his top-notch illusions and comedy guaranteed to entertain audiences of all ages. Members $7; nonmember adults $10, ages 3 to 12 $2; ages under 3 free. regenttheatre.com.

Family Yoga Class. Newton Free Library, 330 Homer St., Newton. 10:30-11:30 a.m. Learn age-appropriate poses, cooperative games, partner poses between parent and child, breathing exercises, and relaxation techniques during this morning class. For ages 3 to 12 with caregiver. Free. newtonfreelibrary.net.

Tanglewood Marionettes: Sleeping Beauty. TCAN: Center for Arts, 14 Summer St., Natick. 11 a.m. Enjoy as a painted storybook opens to reveal the scenes of Sleepy Beauty, brought to life with skillfully performed marionettes. Adults $12, children $10. natickarts.org.

Family Design Day: Tree Houses. Leominster Public Library, 30 West St., Leominster. 2-4 p.m. Create your own tree from cardboard and wood, then design and build a treehouse that treads gently on its branches. Recommended for children ages 5 to 13 with caregiver. Register ahead. Free. leominsterlibrary.org.

Bilingual Storytime: Spanish. Newton Free Library, 330 Homer St., Newton. 3-3:30 p.m. Enjoy a special story-time with stories, songs, and movement in English and Spanish. Free. newtonfreelibrary.net.

Especially for Me: Evening for Families with Deaf, Hard of Hearing, or KODA Children. Discovery Museum, 177 Main St., Acton. 5-8 p.m. A special free evening specially for families with deaf, hard of hearing, or KODA children, with dinner provided. Register ahead. Free. discoveryacton.org.

Worcester Railers HC vs. Adirondack Thunder. DCU Center, 50 Foster St., Worcester. 7:05 p.m. Cheer on Central Massachusetts’s hometown team, as the Railers take on the Adirondack Thunder in this family-friendly arena game. $15-35. dcucenter.com.

Astronomy Night. Fruitlands Museum, 102 Prospect Hill Rd., Harvard. 7:30-9:30 p.m. Bundle up this winter and join a local astronomer and enjoy a star party, with hot cocoa. Register ahead. Member adults $10, nonmember adults $5, children free. fruitlands.org.

DIAVOLO: Architecture in Motion. The Hanover Theatre for the Performing Arts, 2 Southbridge St., Worcester. 8 p.m. Push your understanding of gravity, as this performance of daring acrobatics, dance, and visual arts. $25-65. thehanovertheatre.org.

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Sunday, January 27 

Thoreau Piano Trio. Newton Free Library, 330 Homer St., Newton. 2-3 p.m. Relax and unwind as we enjoy this afternoon concert together. Free. newtonfreelibrary.org.