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A FREE festival of fun math games and puzzles for kids in grades K-8 and their families. We'll have 10+ stations of activities and each activity takes approximately 15 mins. Win prizes for completion!

4 PM | Sunday, December 14, 2025
First Parish of Arlington | 630 Mass Ave. | Arlington MA
Cantilena premieres a work by Rebecca Sacks, celebrating 45 years as a treble chorus, 25 years as "Cantilena."

Explore ancient coins and learn how a team of museum staff and students is trying to harness the power of AI to recover stolen coins.

Join us for our Kazakhstan Independence Day celebration on December 14

How do animals perceive time — both in the moment and across generations?

Join us for this free annual celebration of the season, featuring festive period decorations, music, treats, and more.

Kids in 6th, 7th and 8th grade can come to the Library to create hand-made cards and wrapping paper using print-making techniques! Snacks provided. No registration necessary.

Come join us at the Boudreau branch for a chess challenge.

Teens!

Youth ages 10-16 are welcome to join for four sessions of cooperative role-play and storytelling as we build out skills playing the table-top game DnD.

Free event at the Cambridge Public Library.

Need help with a class?

Hangout with other teens in the Valente Branch Community Room after school: socialize, unwind, play a game, make some art- your choice!

Have you checked out The Hive yet?

We are hosting events distributing free fruits, vegetables, pantry staples, and more!

Young people ages 10 to 14 who love to write are welcome to share their ideas and writing.

Back by popular demand!

Family Friendly event Celebrating the Winter Solstice with Crafts and Cocoa.

Celebrate the shortest day of the year and the beginning of the winter season! Join us for a seasonal story, a winter nature craft and a cozy treat.

Join us for a morning walk at one of the most renowned bird watching spots in Cambridge, Mount Auburn Cemetery!

Decorate cookies with other teens and celebrate winter break.

Youth ages 10-16 are welcome to join for four sessions of cooperative role-play and storytelling as we build out skills playing the table-top game DnD.

Come on your own, with friends, or bring the whole family to the museum for a special week of programming!

Join us to watch a movie on Central Square Library's big screen and eat free popcorn! Past screenings have included popular action and comedy movies. No registration required.

Come to the Library to create something special!

Join us for a cozy afternoon reading together.

Join us for a cozy craft at the O'Connell Branch!