COSI will be CLOSED Friday, July 3 and OPEN Saturday, July 4!
COSI Open Hours
Regular Operating Hours
- Monday to Saturday
- 10:00am to 5:00pm
- Sunday
- 12:00pm to 6:00pm
*COSI will be Closed July 3
*COSI will be Open July 4
Extended COSI Hours
- Family Friday Nights (Last Friday of Every Month)
- 5:00pm to 9:00pm
Admission Rates
COSI Exhibits Admission
| Group | Price |
|---|---|
| Adult (13-59) | $13.75 |
| Senior (60+) | $12.75 |
| Youth (2-12) | $8.75 |
| COSI Member | Free! |
COSI Value Pass
| Group | Price |
|---|---|
| Adult (13-59) | $19.75 |
| Senior (60+) | $18.75 |
| Youth (2-12) | $14.75 |
| COSI Member | $5.50 |
Especially for Educators
Summer 2009 Teacher Workshops
Explore our inquiry-based teacher workshops (grades Prek-12) learn more...
Need a Preschool Field Trip Alternative?
Bring science right to your preschool classroom (ages 3-5). learn more...
Electronic Education / Videoconference Programs
Science delivered to your school at the speed of light (grades 2-12). learn more...
The Latest News at COSI
Meet Spider-Man at COSI
Saturday, July 4, 11am to 1pm
COSI will be OPEN on July 4, and you can meet Spider-Man at COSI! Spidey will be strolling the building from 11am to 1pm to celebrate 4th of July, in superhero style! Your chance to hug and take your picture with the wall-crawler at COSI is included with admission! learn more...
Also Check Out:
So Much More to Discover
July 4 Spider-Man Breakfast
Dine on a delicious superhero breakfast with Spider-Man only at COSI on the 4th of July! Choose your time for breakfast with the famous wall-crawler at 8:00am or 9:30am. This event includes COSI admission, and space is limited, so call today! learn more...
Lost Egypt Family Overnight
Spend the night at COSI on an Egyptian adventure Saturday, July 11. Experience the Lost Egypt exhibition, Mummies Extreme Screen movie, special Adventure exhibition, and meet a real archaeologist working on projects in Egypt! learn more...
Offerings for Families
Spider-Man Appearance - July 4
Spidey will be visiting from 11am to 1pm to celebrate 4th of July. learn more...
Harry Potter Day - July 11
Explore the science behind the Harry Potter stories at COSI! learn more...
Meet Archaeologist Sarah Parcak - July 12
Meet one of the archaeologists featured in Lost Egypt. learn more...