COSI Science Festival


The COSI Science Festival is a four-day festival, taking place May 5-8, 2021. Enjoy dozens of free online events during the first three days of the festival. Event topics highlight Science, Technology, Engineering, Arts and Math (STEAM) – demonstrating that science is truly everywhere and for everyone! The festival culminates during the Big Science Celebration on Saturday, May 8, 2021, and includes dozens of virtual exhibitors.

Be a part of the Big “At Home” Science Celebration with COSI’s Space-Themed Kit, which includes all the materials and instructions to take part in the signature hands-on activity for the 2021 COSI Science Festival. On Saturday, May 8, 2021, join COSI and individuals from across Central Ohio as we participate in this fun and engaging activity. Get yours before April 25 to ensure delivery by the Science Festival at

For more information on the COSI Science Festival, digital events and the Big Science Celebration, visit