Hours & Rates

Hours of Operation

  • Monday & Tuesday: Closed
  • Wednesday through Saturday: 10:00am to 5:00pm
  • Sundays: 12:00pm to 6:00pm

Additional Hours

Holidays

  • Open Holidays: Martin Luther King Jr. Day, President’s Day, Memorial Day, July 4, and Labor Day
  • Closed Holidays: Easter Sunday, July 3, Thanksgiving Day, Christmas Eve, and Christmas Day

COSI Admission Information

COSI's Admission Rates Valid November 27, 2009 - January 30, 2010
  Adults Youth (2-12)
 Senior (60+)
 Members
Exhibits + One Extreme Screen Film $19.75 $14.75 $18.75 $5.50
Exhibits Only
 $13.75 $8.75 $12.75 Free
Extreme Screen Only $7.50 $7.50 $7.50 $5.50

*Children under 24 months are FREE. Youth pricing is valid for ages 2-12 years old.

All major credit cards accepted including VISA, MasterCard, American Express and Discover. All returned checks will be subjected to a $30 non-sufficient funds fee. Call the COSI Call Center at 614.228.2674 for a complete list of details and restrictions. All posted information is subject to change.

Ongoing Discounts

  • Family Friday Night: $8.00 for all ages 2 and up (last Friday of the month, 5:00pm to 9:00pm).
  • Groups of 15 or More: Please call 614.228.2674 for discounted rates and reservations.
    Advance reservations are required for group rate discounts.
  • Certified Teachers: $8.00 Admission, a savings of over 40%!
  • Active and Reserve Military: Free exhibits admission with military ID and 50% off exhibits admission for spouse and children in household.
    Veterans and retired military personnel are not eligible. Active military also qualify for discounted memberships.
    Teachers also qualify for discounted memberships.
  • ASTC Members: Free exhibits admission with ASTC membership card.
    Maximum of 2 adults and 4 children admitted free to COSI for reciprocal ASTC members. 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.
  • Big Brothers Big Sisters: Free exhibits admission for Little Brother or Sister when accompanied by Big Brother or Sister. Free admission for Big Brother or Sister with Big Brothers Big Sisters ID card.
    Applies to Big Brothers Big Sisters Association of Central Ohio only.
  • COESRA: $11.75 adult exhibits admission and $6.75 youth exhibits admission with COESRA card.
    Applies to COESRA card holder and dependent children only.