COSI is open Thursday through Sunday, 10am – 5pm. Get your tickets now!

Science boxes with five days’ worth of themed STEM activities and science experiments for kids delivered right to your front door!

COSI Connects Kits - Science boxes with five days’ worth of themed STEM activities and science experiments for kids delivered right to your front door!

COSI's Science of Big Machines

2022 Dates Coming Soon!
Get behind the wheel and experience equipment that builds roads, bridges, and buildings!

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

From small tools to big equipment, you’ll discover how big jobs get done. A multitude of pieces of construction equipment will be on hand to explore.

Included with COSI General Admission and Memberships


COSI's Science of Big Machines

2022 Dates Coming Soon!
Get behind the wheel and experience equipment that builds roads, bridges, and buildings!

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

From small tools to big equipment, you’ll discover how big jobs get done. A multitude of pieces of construction equipment will be on hand to explore.

Included with COSI General Admission and Memberships