For Families

Birthday Parties

Have your child's birthday party at COSI! COSI birthdays are a mix of silly science and serious fun! Please submit your reservation at least three weeks in advance.

Please note that selected COSI program reservations are subject to a nominal processing fee. Proceeds from this fee help to support COSI, a not-for-profit organization. For selected programs, transaction fees may be waived for COSI Members as a benefit of membership.

What age range is your child in?

Ages 6-11

Party packages for children ages 6 through 11.

Ages 3-5

Party packages for children ages 3 through 5.