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Special Offers Just for COSI Members

  • Dream Big Member Event

    Dream Big Member Event

    Saturday, February 25, 2017
    Special Screening: 10:15am
    Activities: 9:00am-10:15am

    Be among the first to experience Dream Big: Engineering Our World 3D on COSI’s National Geographic Giant Screen. This special members-only event features activities you won’t find on any other day, including:

    • Design a boat challenge
    • Design and build the tallest spaghetti tower
    • Hurricane house challenge - design, build, and test a paper house to withstand high winds
    • Q&A session with engineer Menzer Pehlivan who is featured in the film. After witnessing a devastating earthquake at an early age, Menzer knew that it was her dream to become a civil engineer focusing on seismic safety.
    • Enjoy a free small popcorn
    • After the screening, explore STEM activities and exhibits such as building and testing model bridges, buildings, and racecars presented by community partners.

    About the Film
    Dream Big: Engineering Our World is a first of its kind film for giant screen theaters that will transform how we think about engineering. From the world's tallest building to underwater robots and solar car race across Australia, Dream Big celebrates the human ingenuity behind engineering marvels big and small, and reveals the heart that drives engineers to create better lives for people around the world.

    Running time: 40 minutes (shown in 3D)

    Advance reservations recommended. Space is limited.

    Price: $4.00


  • COSI Member Appreciation Month

    COSI Member Appreciation Month

    February 2017 is COSI Member Appreciation Month!
    Join us in February for special offers and opportunities for COSI Members all month long!

    Free 3-Month Highlights™ Magazine Subscription
    Check in at the COSI Box Office this February and present your valid COSI Membership card for a FREE 3-month subscription to one of four fantastic Highlights™ magazines for children! Choose from Highlights Hello (ages 0-2), High Five (ages 2-6), High Five Bilingüe (ages 2-6) or Highlights (ages 6-12). Visit COSI’s Member & Donor Services Desk to receive your free subscription voucher. Offered to COSI Members throughout February.

    Welcome Wednesdays
    COSI Members checking in between 9am and 11am on Wednesdays in February will receive a special surprise! While supplies last; one surprise per Member family, please. Please note Premium or Supporting Family Membership is required for early check in between 9am and 10am. Offered to COSI Members on February 1, 8, 15, 22.

    Free Cocoa Thursdays
    COSI Members checking in at the Member & Donor Services Desk on Thursdays in February will receive a voucher redeemable that day between 11am and 2pm for a free hot cocoa in COSI’s Atomic Café! Offered to COSI Members on February 2, 9, 19, and 23.

    Photo Booth Fridays
    Put on a space-themed prop and have your family photo taken with a space-themed background in our special Members-only photo booth as COSI prepares for a “Cosmic Summer” – coming this May! COSI Member families walk away with a free photo strip with the “COSI Cosmic Summer” logo. Offered to COSI Members on February 3, 10, 17, and 24 between 10am and 2pm near the COSI Pendulum.

    Member Love Coupons
    Choose from any or all of ten fantastic special offers for COSI Members, including a FREE Guest Pass, discounts on camps, snacks, souvenirs and much more! Click here for details!

  • 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

    As of July 1, 2016, reciprocal benefits for COSI Members at the Cincinnati Museum Center’s Duke Energy Children’s Museum (located in Cincinnati, Ohio) have temporarily changed. All COSI Members who visit the Cincinnati Museum Center’s Duke Energy Children’s Museum will receive free admission. To take advantage of this benefit, present a current COSI membership card and photo ID at the Duke Energy Children’s Museum. The admission benefit extends to two parents and up to four children under 18 living in same household OR two grandparents and up to four grandchildren under 18. For more information on visting the Duke Energy Children’s Museum, visit or call 513.287.7000. COSI Members also receive discounts on admission to special exhibitions, retail store purchases, and food purchases at the Cincinnati Museum Center. This offer is valid through July 1, 2018.

    COSI Members Save on Tickets to Vikings: Beyond the Legend
    Save on tickets to Vikings: Beyond the Legend, now at the Cincinnati Museum Center. Experience a myth-busting exhibition that has captivated millions of people around the world, as the largest collection of Viking artifacts to visit North America comes to Cincinnati. COSI Members receive the discounted Cincinnati Museum Center member rate. For more information, please visit or contact the Cincinnati Museum Center at (513) 287-7000.

    COSI Members should note that as of July 2016, the Cincinnati Museum Center’s Museum of Natural History & Science and the Cincinnati History Museum are closed for an extended period of time for renovation.

  • Columbus Member Advantage

    Columbus Member Advantage

    Offer Ends: December 31, 2017
    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 2017 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, 2017 unless otherwise noted.

  • COSI Members Save $2 Off General Admission at the Newport Aquarium

    COSI Members Save $2 Off General Admission at the Newport Aquarium

    Offer Ends: September 04, 2017

    Show your valid COSI Membership card and a photo ID for $2 off general admission at the Newport Aquarium! The Newport Aquarium showcases thousands of animals from around the world in a million gallons of water. You'll be amazed at all there is to see and do, including fun and interactive activities, like touching a shark or meeting a penguin. Newport Aquarium is open to the public 365 days a year and is located only two minutes from downtown Cincinnati at Newport on the Levee. For Newport Aquarium operating hours, directions, and details, please visit


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