Heroes and Young Adventurers
October 31 — November 1, 2026
10:30 am — 7:00 pm
This weekend kids ages 12 and under get free admission! Additionally, we're honoring our military and first responders with a $3 discount on admission AT THE TICKET BOOTH. Bring the whole family for a magical weekend of fun and adventure!
It's a Cosi Weekend!
It’s a COSI Weekend!
COSI and the Ohio Ren Fest have partnered to offer interactive exhibits and hands-on activities that blend science, history, and fun, creating an exciting experience for families and curious minds.
