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!

How early can I renew my membership?

Members who would like to renew at their current membership level may do so at any time, provided the category and number of Add-on Guests stays the same.

If changing categories or the number of Add-on Guests, members may renew their membership up to three months prior to their current expiration date.

  • September 22, 2015