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It's a weekly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! The Children's Room has plenty of LEGO pieces, so you don't need to bring your own. LEGO pieces are choking hazards for young children. For children ages 5 and up and their caregivers. This program can accommodate 30 builders. Children under age 7 must be attended by a caregiver. Tickets are available on a first come, first served basis on the day of the program. This program starts promptly and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information. The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

It's a weekly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! The Children's Room has plenty of LEGO pieces, so you don't need to bring your own. LEGO pieces are choking hazards for young children. For children ages 5 and up and their caregivers. This program can accommodate 30 builders. Children under age 7 must be attended by a caregiver. Tickets are available on a first come, first served basis on the day of the program. This program starts promptly and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information. The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

It's a weekly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! The Children's Room has plenty of LEGO pieces, so you don't need to bring your own. LEGO pieces are choking hazards for young children. For children ages 5 and up and their caregivers. This program can accommodate 30 builders. Children under age 7 must be attended by a caregiver. Tickets are available on a first come, first served basis on the day of the program. This program starts promptly and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information. The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

It's a weekly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! The Children's Room has plenty of LEGO pieces, so you don't need to bring your own. LEGO pieces are choking hazards for young children. For children ages 5 and up and their caregivers. This program can accommodate 30 builders. Children under age 7 must be attended by a caregiver. Tickets are available on a first come, first served basis on the day of the program. This program starts promptly and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information. The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

It's a weekly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! The Children's Room has plenty of LEGO pieces, so you don't need to bring your own. LEGO pieces are choking hazards for young children. For children ages 5 and up and their caregivers. This program can accommodate 30 builders. Children under age 7 must be attended by a caregiver. Tickets are available on a first come, first served basis on the day of the program. This program starts promptly and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information. The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

It's a weekly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! The Children's Room has plenty of LEGO pieces, so you don't need to bring your own. LEGO pieces are choking hazards for young children. For children ages 5 and up and their caregivers. This program can accommodate 30 builders. Children under age 7 must be attended by a caregiver. Tickets are available on a first come, first served basis on the day of the program. This program starts promptly and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information. The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

A series of classes with instruction from Comedian Jack Grey. Learn how to seamlessly integrate interactive improv games, scenes, and skillful storytelling that all come together with performance. The 10-week course will occur every Thursday, 1:30pm-3:30pm, starting February 27 through May 1. The final class will now take place on May 15. No class on May 1 or May 8. This will be an in-person program at the Main Library. Space is limited to 15 participants. Due to the popularity and to gain the most out of this program, we expect all participants to commit to all sessions in this 10-week course. Instructor Jack Grey is a local comedy performer with over nine years of combined improv and stand-up comedy experience. They produce their own shows and workshops in Camberville, believing that kindness and community can be born from laughter. Learn more at constellationcomedy.com. Sponsored by the Cambridge Public Library Foundation

Design Your Own Space Mission Patch! Young space enthusiasts are invited to imagine and create their own space mission patch, just like real astronauts! Using circular templates, markers, and space-themed stickers, children will dream up their own space missions: Will they fly to Mars? Visit a distant galaxy? Search for alien life? Each child will choose a mission goal, name their spacecraft, and design a patch that tells the story of their adventure. As they draw, children will hear inspiring stories about real-life women astronauts, encouraging early interest in space careers and diverse role models in STEM. Finished patches will be displayed during the event to celebrate their creativity and curiosity. Recommended for children in grades K-5. This special activity is part of Massachusetts STEM Week 2025 and is organized by The Space Consortium, the local space education and outreach nonprofit behind Massachusetts Space Week (April 20-26 2026).

Ready to Level Up Your Business? Join Our 4-Week Workshop! Whether you're just starting out or already running a business, this workshop is for you! Over four weeks, we'll give you the practical skills to make your business run even better. We'll focus on what you need to learn to succeed. This isn't just theory – it's the stuff you need to know to build a strong business. Think of this as your essential business toolkit. If you're new to the business world, we'll give you the confidence and know-how to get started and grow. Workshop 4: Operational Efficiency and Inventory Management - Tuesday, February 10, 2026 Operational Processes and Workflows: Defining Standard Operating Procedures (SOPs) and identifying bottlenecks challenges of balancing stock (too much vs. too little) Basic Inventory Management: Techniques and tools Please register here. If you have any questions or issues with registration, contact Tyrone Fells at 617-349-7223 or tfells@cambridgema.gov.

Join us for a lively discussion of a great book in person at the Main Library! Snacks will be provided. For ages 7-10 and a parent or caregiver. This month's book is Julieta and the Diamond Enigma by Luisana Duarte Armendáriz. When a diamond goes missing from the Louvre, it is up to nine-year-old Julieta to identify the thief, exonerate her father, and return home to Boston before her baby brother is born. Includes glossary of French and Spanish words and notes about the Regent Diamond, Athena, and works of art mentioned in the book. Both caregiver and child should read the book before the discussion to participate. Registration is required — only one registration is needed per family. To check-out a copy of the book, stop by the Children’s Room after you've registered. If we run out of books at the desk, you can place a hold on the book by clicking on the book title in the paragraph above. For questions about parent/child book group, please email Meagan: malbright@cambridgema.gov