COSI isn’t just for kids! COSI hosts monthly COSI After Dark, adult-only, after-hours events to let the adults have the run of the place.  This event feature exhibits, concessions and cash bar, and fun! Tickets make a great gift! On Thursday, November 14, 2024, start the party early with COSI After Dark: COSI-Con This afterhours experience … Continue reading COSI After Dark: COSI-Con! – Fun for adults only!