Membership & Donor Society

COSI Members receive free year-long admission to COSI.
Join or renew today for a whole year of hands-on learning and family fun.

Ultimate Family  $329
Premium Family  $209
Family  $149
Grandparent Family  $149
Single Adult Family  $119
Teacher Family  $119
Individual + Guest  $109

View member benefits and details.

Donor Societies

Join the Donor Society for even more benefits and to support COSI’s mission!

Patron Society  $500
Scholars Society  $1,000
Explorers Society  $2,500
Leadership Society  $5,000
Visionary Society  $10,000
President's Circle  $25,000

View Donor Society benefits and details.

 

Renewing a membership for someone else as a gift? Please purchase a COSI Gift Membership. Click here to purchase now.

There's no better way to give your loved ones quality time together, access to unique learning opportunities, exclusive benefits, and valuable savings they won't find anywhere else.

All COSI Membership levels include:

• Free year-long admission to COSI
• Free reciprocal admission to 350+ science centers worldwide
• Discounts on parking, movies, the Planetarium, special exhibits, and more
• Member-only previews and events

Please note: COSI Gift Memberships can also be used to renew an existing COSI membership.

Activate your Gift Membership online.