Invention + play + experimentation = learning

Have you ever wondered how math can help you cook … or what causes a rainbow … or how baby chicks know when to hatch? Set a course full STEAM ahead to OC Fair’s Imaginology, where science, technology, engineering, art and math come alive in the most fun and exciting ways

About Imaginology

Youth Competitions

Murals?! Cardboard Engineering?! It's Time to Enter Your Best at the 2023 OC Fair Imaginology!

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Become a Vendor at Imaginology

Do you sell the best food or product in the county? Become a commercial vendor or concessionaire at Imaginology. Applications for 2023 Imaginology are now available.

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What is S.T.E.A.M.?






At Imaginology, kids and their families will not only see a world of wonder, but can participate in a wide range of fun and educational hands-on activities designed to inspire and encourage academic and career exploration.

There’s something for everyone at Imaginology – preschoolers through high schoolers – and all are invited to showcase their talents in individual competitions.

Imaginology is proudly sponsored by