• Summer Skies
  • Number 1 Science Center

Featured Offerings


Camp-In is the ultimate indoor camping experience where scouts, youth and school groups spend the night and enjoy all of the classic COSI experiences, shows in the Giant Screen Theater and Planetarium and the ever-popular Dance Mania

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Dec. Holiday Hours

Dec 19-Jan 3 - Open 7 days a week 10am-9pm

Dec 24 - Open 10am-3pm

Dec 25 - CLOSED

Dec 31 - Open 10am-5pm

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From the Calendar

COSI After Dark - a 21+ Event - Science of Toys
10 Dec 2015 5:30PM - 10:00PM
‘Tis the season for toys! Become a kid again at COSI After Dark Science of Toys. Challenge your friends to a battle in the N...
The Polar Express Movie Weekend
11 Dec 2015
Journey beyond your imagination this holiday season and see The Polar Express on COSI’s National Geographic Giant Screen. Enjo...