Join today for a year of FREE admission!
For less than $10 a month for a basic membership, COSI Members enjoy exclusive discounts, free year-long admission to COSI, and free admission to 350+ science centers worldwide! Join today, and you’ll support COSI’s mission to inspire the scientists, dreamers, and innovators of tomorrow.
Tuesday, August 11, 2015, 10am to 2pm
COSI Loves Teachers! Educators will receive free admission to a special resource area, admission to COSI’s classic exhibitions, a chance to see a giant screen film and planetarium show for free, plus fun freebies, door prizes and lots more! Reservations are required. Learn more
|COSI After Dark - a 21+ Event - BOOM! Explosive Science|
02 Jul 2015 5:30PM - 10:00PM Explore the art and science behind your favorite summer fireworks displays. Learn about the explosive forces of fireworks and...
|Meet Thor at COSI!|
18 Jul 2015 10:00AM - 3:00PM Visit COSI on Saturday, July 18 or Sunday, July 19 for a special meet and greet with Thor. Free with COSI admission or Member...
|Family Friday Night|
31 Jul 2015 5:00PM - 9:00PM COSI offers extended hours and price reduced admission to families so you can visit, learn, and play late! General admissio...
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