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

COSI is now open!

Special Offers Just for COSI Members

  • Member Night

    Member Night

    Friday, March 9, 2018
    5:00 p.m. - 9:00 p.m.

    Join us for special extended-hours just for COSI Members! Enjoy exclusive time in the American Museum of Natural History Dinosaur Gallery and the American Museum of Natural history Special Exhibition Gallery featuring Traveling the Silk Road, a visually stunning journey down the world’s most famous trading route (opening March 3). Plus, inspire the innovator within you in the limited-time exhibition Imaginate, explore all of COSI's classic exhibits, examine the night sky during a Planetarium show*, watch Museum Alive 3D and Amazon Adventure 3D on the National Geographic Giant Screen*, and take a spin on the Motion Simulator*.

    Member night also features some member-only exclusives:

    • Special hands-on activities and a storyteller will enhance your experience of Traveling the Silk Road, the first of many limited-run exhibits brought to you by COSI and the American Museum of Natural History
    • Get your science questions answered during a special Deep Space Q&A with COSI’s Chief Scientist and Astrophysicist: Dr. Paul Sutter in the Planetarium*
    • Show off your dance moves during a special COSI Member Dancemania!
    • Enjoy dinner in COSI’s Atomic Café, featuring a Family Pizza Meal Deal for just $20.99 (serves 4) AND a special 25% discount** on all other items (Member Night only, 5pm-8pm)
    • Receive a 20% discount on purchases at the Science2Go! store (Member Night only, 5pm-9pm)

    *Additional charges may apply depending on membership level.
    **excludes family pizza meal deal

    Free for Members. No reservations required.

  • ASTC & ACM Members

    ASTC & ACM Members

    Free exhibits admission with a current ASTC membership card; 50% off exhibits admission with a current ACM membership card. Maximum of 2 adults and 4 children admitted free to COSI for reciprocal ASTC members; 50% ACM discount is valid for up to six people. Science centers within 90 miles of one another are excluded from the program unless lifted by mutual agreement. Please call ahead to verify that you are eligible for the reciprocal admission benefit.

  • 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. Details on the reopening of these 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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