Apr 30, 2025 - Things to Do

Test your curiosity during the COSI Science Festival

Alissa Widman Neese

A science experiment causes a cloud of orange smoke outside COSI — A science experiment causes a spectacle during a past Big Science Celebration. Photo: Courtesy of COSI

The four-day COSI Science Festival returns this week with activities across Central Ohio.

State of play: The festivities start Wednesday and culminate with a free Big Science Celebration outside COSI from 11am-5pm Saturday, featuring over 100 exhibitors, live music, food trucks and more.

A few highlights:

🔎 Go behind-the-scenes and tour the Franklin County Forensic Science Center.

Wednesday-Friday, times vary, 2090 Frank Road. Free, registration required.

🍸 Learn the science of cocktails at Lawbird.

2:45pm Friday, 740 S. High St. $50, registration required.

🥚 Try a classic egg drop experiment in Hilliard during one of several family-friendly science block parties.

6-7:30pm Friday, 3850 Veterans Memorial Drive. Free!

A full list of events

Add Axios on Google

Test your curiosity during the COSI Science Festival

More Columbus stories