Today's Hours: 
10am - 5pm
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm

COSI is now closed

Special Offers Just for COSI Members

  • ASTC & ACM Members

    ASTC & ACM Members

    The ASTC Travel Passport Program entitles COSI Members to free or discounted admission at 360+ ASTC (Association of Science-Technology Centers) museums. COSI Premium and Ultimate Family members receive a 50% discount on admission to nearly 200 children’s museums participating in the Association of Children’s Museums (ACM) Reciprocal Network. COSI Members must present their COSI Membership card and photo ID at the Box Office of participating museums to receive reciprocal admission. View the current list of participating museums online, or request a printed list by calling 614.228.COSI (2674). COSI Members are encouraged to call participating museums ahead of time to verify admission policies. Other museums may limit the number of COSI Member guests eligible for free admission.

  • Special Reciprocal Admission at the Cincinnati Museum Center

    Special Reciprocal Admission at the Cincinnati Museum Center

    Offer Ends: July 01, 2018

    Special Reciprocal Admission for COSI Members at the Cincinnati Museum Center– Important Update COSI Members should note that the Cincinnati Museum Center’s Museum of Natural History & Science, the Cincinnati History Museum, OMNIMAX Theater, and the Duke Energy Children’s Museum are currently closed for an extended period of time for renovation. Please note that the Duke Energy Children's Museum at Cincinnati Museum Center (CMC) will reopen May 4, 2018. Details on the reopening of other Cincinnati Museum Center attractions will be posted as they become available.

  • Columbus Member Advantage

    Columbus Member Advantage

    Offer Ends: December 31, 2018
    Show Your COSI Membership Card and Save!

    As a COSI Member, you can now enjoy Buy One, Get One Free admission to select Columbus museums and attractions through the Columbus Member Advantage program. No coupon is necessary. Simply show your valid COSI Membership card each time you visit! Columbus Member Advantage partners for 2018 include:

    · Columbus Museum of Art
    · Columbus Zoo and Aquarium
    · Franklin Park Conservatory and Botanical Gardens
    · Ohio History Center & Ohio Village
    · Wexner Center for the Arts

    Important Terms & Restrictions: Receive up to two free general admissions of equal or lesser value per visit when purchasing two regular-priced general admission tickets. Tickets must be purchased from the admissions area of the facility you are visiting. Cannot be combined with other discounts or offers. Not valid on prior purchases. No rain checks or refunds. Some restrictions may apply. Offer expires December 31, 2018 unless otherwise noted.

 

Special holiday coupons just for our Members... Member Coupons


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CALL: 614.228.2674
Mon-Sat, 9am - 4pm EST

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This Week's Hours

Sunday
Apr-22
10am - 5pm
Monday
Apr-23
CLOSED
Tuesday
Apr-24
CLOSED
Wednesday
Apr-25
10am - 5pm
Thursday
Apr-26
10am - 5pm
Friday
Apr-27
10am - 9pm
Saturday
Apr-28
10am - 5pm

COSI Newsletter