Upcoming Member-Only Events

  • Farm Days Member-Only Hours 2015

    Saturday, August 15, 2015


    Enjoy member-only hours for Farm Days: Little Seeds, Big Tractors. Grab your boots and check out huge farming equipment - including a combine, a four-wheel-drive tractor, antique tractors, and more - on COSI's West Lawn.

    Learn about raising crops and livestock, "milk" COSI's fiberglass cow, and grow your own seed necklace.

    Advance reservations required. Space is limited to 100 Member families.

    Register Now!


Special Offers Just for COSI Members

  • 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.

  • HOJO Museum Road Trip Package

    HOJO Museum Road Trip Package

    Stay two nights at any Howard Johnson in the US & Canada (use the code SFA when booking) and you will receive two free tickets you can use at our museum all summer long. Special offer valid May & June 2015 and tickets can be used through Labor Day 2015.

  • Columbus Member Advantage

    Offer Ends: December 31, 2015

    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 2015 include:

    • Columbus Museum of Art (through August 31, 2015)
    • Columbus Zoo and Aquarium
    • Franklin Park Conservatory and Botanical Gardens (July 1-September 30, 2015)
    • King Arts Complex
    • Ohio History Center & Ohio Village
    • Wexner Center for the Arts
    • Important Terms & Restrictions: Receive up to two free 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. Offer expires December 31, 2015 unless otherwise noted above.

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

    Offer Ends: September 07, 2015

    Now through September 7, 2015, 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

  • Local Ohio Museum Reciprocal Discounts

    Offer Ends: October 31, 2015

    Boonshoft Museum of Discovery - COSI Members receive 50% off general admission at the Boonshoft Museum of Discovery and SunWatch Indian Village & Archaeological Park in Dayton, Ohio. Admission benefits include 50% off two adults and up to six of their children or grandchildren under the age of 21.

    The Works - COSI Members receive 50% off admission to The Works. 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.

    Science Play-Space Initiative (SPI-SPOT) – COSI Members receive 50% off admission at SPI-SPOT. Admission benefit extends to related grandparents, parents, children; caregiver with child(ren).

    To take advantage of these benefits, present a current COSI membership card and photo ID. To learn more about all reciprocal benefits and restrictions, view a full list of reciprocal partners.


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


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