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It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

It has come to the attention of the Election Commission that some pre-made vote-by-mail ballot packets from the Commonwealth may have contained two page one ballots, rather than page one and page two. If you are one of those recipients, please contact the Election Commission at 617-349-4361 or elections@cambridgema.gov, and a staff member will be available to provide support.

It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

It's a monthly block party! Join friends to design and build amazing LEGO structures. Let your imagination run wild! For children ages 5 and up (children under age 7 must be accompanied by a caregiver). The library has plenty of LEGO pieces, so you don't need to bring your own. For more information, please contact the Central Square Branch Library Children's Room at 617-349-4012.

Stop by the first floor of the Main Branch Library to view a display of key information from the Urban Design Guidelines, and provide feedback.

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).