**Traffic Alert!**
Due to some minor construction and races in the area, please be aware of the following:

Due to various downtown Columbus events this coming weekend, parking and traffic near COSI may be congested. Check out parking options here.
COSI's The Science of Big Machines

COSI's The Science of Big Machines

Icons of construction equipment and dots. Images of children and adults exploring the construction machines outside of COSI.

COSI, the Ohio Contractor’s Association, and the Local 18 Operating Engineers invite kids and adults alike to explore our annual Science of Big Machines exhibit! For over 20 years, guests have been able to experience the exciting science and technology of construction by climbing inside real pieces of machinery and operating them first-hand. Participants will be able to learn more about construction careers from a variety of industry professionals and real operating engineers. From small tools to big equipment, you’ll discover how big jobs get done.

The Science of Big Machines will be located on the west side of COSI, next to Dorrian Green Park, and is included with COSI General Admission and Memberships. A variety of equipment will be on hand to discover.

Reserve Tickets

Comments from Guests
THANK YOU! CREATED & MADE POSSIBLE BY:OHIO CONTRACTORS ASSOCIATION Operating Engineers Apprenticeship and Training
COSI's The Science of Big Machines

COSI's The Science of Big Machines

Icons of construction equipment and dots. Images of children and adults exploring the construction machines outside of COSI.

COSI, the Ohio Contractor’s Association, and the Local 18 Operating Engineers invite kids and adults alike to explore our annual Science of Big Machines exhibit! For over 20 years, guests have been able to experience the exciting science and technology of construction by climbing inside real pieces of machinery and operating them first-hand. Participants will be able to learn more about construction careers from a variety of industry professionals and real operating engineers. From small tools to big equipment, you’ll discover how big jobs get done.

The Science of Big Machines will be located on the west side of COSI, next to Dorrian Green Park, and is included with COSI General Admission and Memberships. A variety of equipment will be on hand to discover.

Reserve Tickets

Comments from Guests
THANK YOU! CREATED & MADE POSSIBLE BY:OHIO CONTRACTORS ASSOCIATION Operating Engineers Apprenticeship and Training