STEM Fest 2026

STEM Fest Saturday, September 19, 2026 10 a.m. to 3 p.m. Join us for free family fun celebrating science, technology, engineering and math. Science demo shows, hands-on activities and expert speakers help you learn about everything from weather to chemistry, electricity to biology. Explore robots, witness a live weather balloon launch, try out VR technology and more! We’re in person in the heart of NIU’s DeKalb campus. Join us in the Holmes Student Center, Founders Memorial Library, MLK Commons and other nearby buildings. Go.niu.edu/STEMFest Interested in exhibiting at STEM Fest? Sign up to be an exhibitor here.