May 4th - Sept 7th
Now you can visit COSI every day of the week! We are open Monday-Sunday 10am-5pm now through September 7.
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.
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