For Families

Member Offers & Discounts

Special offers just for COSI Members!

Member Advantage Coupons

To take advantage of this special offer when visiting partner locations, present this coupon and a current membership card from a participating organization.

*Coupon and current membership card must be presented to receive special offer. It is recommended that you call the organization or visit their website prior to visiting to confirm hours of operation.

  • Start Date: Wednesday, 01 January 2014
  • End Date: Wednesday, 31 December 2014
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.

Local Ohio Museum Reciprocal Discounts

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.

  • Start Date: Wednesday, 08 May 2013
  • End Date: Friday, 31 October 2014

Save on Disney on Ice: Worlds of Fantasy

COSI Members can purchase tickets for only $15 to Disney on Ice: Worlds of Fantasy, coming to Nationwide Arena February 18-22, 2015! Use promo code COSIDOI when you purchase online at or at the Big Lots Box Office at Nationwide Arena. Additional fees and service charges may apply. Offer valid on $23 and $20 seats only. Not valid on opening night (February 18, 2015). Tickets cannot be purchased at COSI.