COSI is open Thursday through Sunday, 10am – 5pm. Get your tickets now!

Science boxes with five days’ worth of themed STEM activities and science experiments for kids delivered right to your front door!

COSI Connects Kits - Science boxes with five days’ worth of themed STEM activities and science experiments for kids delivered right to your front door!

Is there a discount on membership purchases for military families?

Yes, a $10 off Membership discount is available for active, reserve, and retired military. Military ID required. Discount available at COSI Box Office only. Military discount not available online or by phone.

Discount does not apply to gift or Family Access memberships.