Voted #1 Science Museum in the nation by USA Today's 10Best for 4 years in a row! Reserve your tickets in advance at: cosi.org/tickets
Joined October 2008
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COSI will be OPEN on Monday, January 19 for MLK Jr. Day 🤍 Join us in celebrating the life and legacy of Dr. Martin Luther King, Jr from 12pm - 2pm in the Atrium with activities, storytime, and more! ➡️ cosi.org/visit
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COSI will be OPEN on Monday, January 19 for MLK Jr. Day 🤍 Join us in celebrating the life and legacy of Dr. Martin Luther King, Jr from 11am - 2pm in the Atrium with activities, storytime, and more! ➡️ cosi.org/visit
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new year, new themes! 👀🥂 We’re kicking off #cosiafterdark 2026 with a SCIENCE RAVE on January 8! 🪩🌱 Join us for 16 local DJs, 6 stages of music, and mind-blowing science! See you there? 🎟️ cosi.org/afterdark
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Ring in the new year without ruining those bedtime routines— Noon Year's Eve is BACK! 🪩🎉 We're kicking off 2026 with special science demonstrations and a celebratory countdown at noon on Wednesday, December 31! 🧡 cosi.org/visit
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Happy Holidays! ❄️✨ We are OPEN today— but will be CLOSED tomorrow & Thursday for our full team to spend time with their loved ones.
☃️ Our extended holiday hours start December 26!
🎊 Celebrate the new year without ruining bedtime at Noon Year's Eve!
🧡 cosi.org/visit
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❗Planning a weekend visit?❗This Saturday, November 8, COSI will close at 4pm, instead of our usual 5pm.
We’ll be back to regular hours on Sunday! 🧠💫🎉 cosi.org/visit/hours-events-…
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The season is sneaking up again... 👀⌛🎄
🎭 @CCTColumbus Wednesday–Sunday, 12:00–3:00pm
🥂 a cozy speakeasy with seasonal food & festive drinks
🌲 a forest of trees decorated by our community!
❄️ keep an eye out for a life-sized yeti...
☃️ cosi.org/season-of-celebrati… ☃️
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❗️COSI will close early today at 3pm instead of our usual 5pm ❗️We’ll be back to regular hours tomorrow for opening day of The Science of Pixar! 🧠💫🎉 cosi.org/visit
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Get ready for an open bar, glamcam, gourmet bites, & a dance floor buzzing all night— BLAST, our annual sneaker ball & fundraiser is TOMORROW! 🚀👟🎉
Proceeds help us provide learning experiences & programs that spark curiosity for learners of all ages!🎟️ cosi.org/blast
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We're BACK! 🤩 The doors are open, the Wild Kratts exhibits are here, and The Science of Pixar is coming soon!⏳🎬🎉 yahoo.com/news/articles/cosi…
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Our annual closure is almost over! 🤩 COSI reopens this Wednesday, September 24— with the Wild Kratts exhibits! 🐾💥🎉 We'll be back with our usual hours:
📅 Wednesday-Sunday • 10am-5pm
cosi.org/visit/hours-events-…
Thank you to our team for working so hard! 🛠️ 🫧
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🗣️CALL FOR ART 🗣️
Whether it’s a heroic quest or wild journey, we want to see your original characters & stories come to life through visual storytelling!
Submission Deadline: 10/27/25
Accepting 2D, limited 3D & animation shorts (90 sec or less)
🎨 cosi.org/art-contest-storyte… 🎨
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Our team makes it look easy but being the #1 science museum in the nation takes work! ⚙️✨ We will be CLOSED starting today for our annual maintenance & exhibit enhancements
We can't wait to welcome you back September 24 with the Wild Kratts exhibits! 🎉 cosi.org/hours-calendar
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This is it—final credits are rolling! 🎬 Today is the LAST DAY to experience this iconic sci-fi saga in Columbus. Step into this galaxy one more time before it fades away... 🌌⚔️ cosi.org/unofficial-galaxies
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