Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm

COSI is now closed

General Admission Discounts and Promotions

Save $5 off General Admission Mon-Thur

Save $5 off General Admission Mon-Thur

Valid Monday - Thursday, July 12 - Aug 3, 2017. Discount good for $5 off youth or adult general admission for each general admission purchased with coupon. Coupon may be presented on mobile device or printed. Discount may the applied to combo and Do-It-All tickets. Cannot be applied to Membership purchases. Discount cannot be applied to Giant Screen and/or Planetarium-only tickets. Cannot be combined with other coupons or discounts.

ASTC & ACM Members

ASTC & ACM Members

Free exhibits admission with a current ASTC membership card; 50% off exhibits admission with a current ACM membership card. Maximum of 2 adults and 4 children admitted free to COSI for reciprocal ASTC members; 50% ACM discount is valid for up to six people. Science centers within 90 miles of one another are excluded from the program unless lifted by mutual agreement. Please call ahead to verify that you are eligible for the reciprocal admission benefit.

Family Friday Night

Family Friday Night

Admission is $11 for all ages 2 and up on the last Friday of the month from 5:00pm to 9:00pm!
Military Discount

Military Discount

Active, Reserve, and Retired Military - $2.00 off per person in the immediate family with proper ID. Active military also qualify for discounted memberships.

Senior Discount

Senior Discount

Seniors (ages 60 and up) receive a $2 discount on COSI general admission. Valid state-issued ID may be requested at the time of purchase.

Only available for purchase at COSI's Box Office. Cannot be used online.

Certified Educator Discounts

Certified Educator Discounts

Certified Teachers: $10 Admission, a savings of more than 40%! Teachers also qualify for discounted memberships.

Group Discounts

Group Discounts

Groups of 12 or more recieve special discounts to visit COSI.

COESRA Discount

COESRA Discount

$2.00 off exhibit admission with COESRA card. Applies to COESRA card holder and dependent children only.


Tech Studio

This Week's Hours

Sunday
Jul-23
10am - 5pm
Monday
Jul-24
10am - 5pm
Tuesday
Jul-25
10am - 5pm
Wednesday
Jul-26
10am - 5pm
Thursday
Jul-27
10am - 5pm
Friday
Jul-28
10am - 9pm
Saturday
Jul-29
10am - 5pm