COSI Admission

Membership & Donor Society

COSI After Dark

E-Gift Card

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Single-day Admission Buy tickets to COSI and all of our add-on experiences like the Planetarium, National Geographic Giant Screen Theater films, and Motion Simulator. More Info Purchase a COSI Membership COSI Members receive free year-long admission to COSI. Join or renew today for a whole year of hands-on learning and family fun. More Info Support COSI With your gift to COSI, you inspire the critical thinkers, dreamers and innovators of tomorrow. More Info