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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.

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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.

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Support COSI

With your gift to COSI, you inspire the critical thinkers, dreamers and innovators of tomorrow.

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