Celebrate the winter solstice, craft glittering ornaments, or experiment as a "kitchen scientist."

Friday, December 21 

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. discoveryacton.org.

Solstice Scapes. Discovery Museum, 177 Main St., Acton. 2-4:30 p.m. Drop-in and celebrate the Winter Solstice by painting some winter landscapes inspired by the shortest day of the year. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Family Fun. Newton Free Library, 330 Homer St., Newton. 3-5 p.m. Drop-in for family games, and activities. Building materials, activities, boards, and space to play together provided. Free. newtonfreelibrary.net.

Background and Beyond. Berk Recital Hall, 1140 Boylston St., Boston. 4 p.m. R&B and jazz comes through with a holiday swing, featuring the music of Stevie Wonder, Bonnie Raitt, Anita Baker, and Aretha Franklin. Free. berklee.edu/events.

Winter Craft Workshop. Worcester Public Library: Main Branch, 3 Salem Sq., Worcester. 4-5 p.m. Make a beautiful winter ornament with lots of love and lots of glittery as a gift for your favorite person. For ages 6 to 12. Free. mywpl.org.

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Saturday, December 22 

BRICKTACULAR: Boston Ballet’s The Nutcracker. LEGOLAND Discovery Center: Boston, 598 Assembly Row, Somerville. 10 a.m. Stop by all weekend as we enjoy a holiday themed display capturing the joy of the Nutcrackers and Sugar Plum Fairies, activities, and large-scale sled. Through Sunday. Free with admission. Advance $14.95; day-of $23. boston.legolanddiscoverycenter.com.

The Muppet Christmas Carol. Coolidge Corner Theatre, 290 Harvard St., Brookline. 10:30 a.m. The Muppets unfold the tale of Ebenezer Scrooge who finds his way into the spirit of Christmas over the course of one night, with humor and heart. Adults $9, children $7. coolidge.org.

Kitchen Ka-Boom. Berkshire Museum, 39 South St., Pittsfield. 11 a.m. Be a kitchen scientist with cool hands-on kids-safe experiments. Register ahead. Free with admission. Members free; nonmember adults $13, youths 4 and up $6, ages under 4 free. berkshiremuseum.org.

Everyday Engineering: Cup Towers. 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. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.

Winter Solstice. Worcester Public Library: Main Branch, 3 Salem Sq., Worcester. 12-4 p.m. Celebrate the longest night of the year, during this afternoon of Winter Solstice activities. Free. mywpl.org.

The Muppet Christmas Carol. TCAN: Center for Arts, 14 Summer St., Natick. 1:30 p.m. & 4 p.m. Join the Muppets as they take on the classic Dickensian tale following Ebenezer Scrooge find the meaning of Christmas, with humor and heart. Members $10, nonmembers $12. natickarts.org.

Toy Story. Newton Free Library, 330 Homer St., Newton. 2 p.m. Go back to where it all began, as a cowboy and a astronaut forge an unlikely friendship in this Pixar classic. Free. newtonfreelibrary.net.

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Sunday, December 23 

Everyday Engineering: Cup Towers. 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. Free with admission. Members free; nonmembers $14.50, ages under 1 free. discoveryacton.org.