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

COSI is now open!

June 21-25, 2017

Included with COSI General Admission or Membership

Bulldozers, dump trucks, and forklifts converge in downtown Columbus again this year for COSI’s annual Science of Big Machines. Get behind the wheel and operate equipment that builds roads and buildings!

COSI invites you to explore the science and technology of construction by trying it out first hand in a variety of activities and learning with real engineers.

From small tools to big equipment, you’ll discover how big jobs get done. More than a dozen enormous pieces of construction equipment will be on hand to explore.

Thanks to the following Big Machines Sponsors:

Created & Made Possible by:

OCA        Op Engineer

Presented by:

Bob Evans


Number 1 Science Center

COSI on Twitter

COSI Science Center

RT @AshlandInc: Who creates excitement for chemistry? We do. Ashland employees recently volunteered to help students become chemists for a…

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This Week's Hours

Sunday
Feb-18
10am - 5pm
Monday
Feb-19
10am - 5pm
Tuesday
Feb-20
CLOSED
Wednesday
Feb-21
10am - 5pm
Thursday
Feb-22
10am - 5pm
Friday
Feb-23
10am - 9pm
Saturday
Feb-24
10am - 5pm

COSI Membership