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Play the classic court game of four-square (also known as box ball) with peers! Bounce a ball into other player's squares to eliminate them and advance to the highest-ranking square. Indoor, no registration required, drop-in at any time. We play by outlined Library Foursquare Rules. Ages 12-18.

Play the classic court game of four-square (also known as box ball) with peers! Bounce a ball into other player's squares to eliminate them and advance to the highest-ranking square. Indoor, no registration required, drop-in at any time. We play by outlined Library Foursquare Rules. Ages 12-18.

Play the classic court game of four-square (also known as box ball) with peers! Bounce a ball into other player's squares to eliminate them and advance to the highest-ranking square. Indoor, no registration required, drop-in at any time. We play by outlined Library Foursquare Rules. Ages 12-18.

Help make Cambridge an even safer community by disposing of any unwanted guns! You'll receive a supermarket gift card for each firearm you turn in, ranging from $50-$200 in value, and help reduce the risk of suicide by accidental discharge, domestic violence and street crime. Bring firearms unloaded with the safety engaged in a bag, box, or case.

During the 11th Participatory Budgeting cycle, Cambridge residents voted to fund Welcome Baby Boxes for new parents. This initiative, offered by the Center for Families, provides Baby Boxes to eligible Cambridge parents who have a child under one year old. Since outreach began in the Fall of 2025, more than 60 Cambridge households have signed up to receive a Baby Box. 

Celebrate the start of summer at a neighborhood bash for all ages! Join us for: Outdoor activities (bubbles, sidewalk chalk, etc.) Face painting by Color Me Funky Mini blossom kits to decorate and plant seeds Refreshments Sign up for summer reading bingo In the event of inclement weather, all activities will move indoors.

The LGBTQ+ Youth Celebration will be a fun and joyful event for all ages, families, and adults! Drag Queen Aurora will share their journey into drag and facilitate a discussion of queer experience and community celebration. There will also be a runway and folks are welcome to bring costumes or choose from our costume box. There will be snacks, music, and books about LGBTQ+ history!

What if game night could turn into a creative coding adventure for the whole family? We are creating mini-games that families can play together, then remix together, and we need your help to make them better! Families with children ages 6 - 12, please drop in to try out some fun, quick, and low-stakes games and share your feedback. Devices will be provided.

Two friends meet for a drink on a quiet day. Business goes about as usual until … a rhinoceros suddenly storms through town square? In this absurdist comedy, rhinoceroses become the talk of the town until the villagers discover the source of the creatures — themselves. A darkly funny commentary on conformity, Rhinocéros demonstrates that heroes come from the unlikely places and that perhaps humans and rhinoceroses aren’t so different after all. Tickets on sale at the Harvard Box Office. Admission: $12 general, $10 students / seniors

Donate your gently used jigsaw puzzles and browse a collection of fun new puzzles to take home! Puzzles of all sizes for all ages are welcome. No more than 5 puzzles per donation when you drop off in advance. You may donate ONLY 1 puzzle at the swap itself. Donation policy: Make sure your puzzle has all the pieces Rubber band or tape the box so it won't fall open Drop off puzzles at the Main Library Q&A desk Thursday October 9 - Wednesday October 15