125,000 sq ft event space with original LEGO creations and displays built by fans from around the world, unique LEGO vendors, fun activities for kids of all ages, panel discussions and presentations from LEGO experts. Admission: $18.00 general / $15.00 military & first responders (door only) / Free kids 3 & under. Tickets: https://www.eventbrite.com/e/brickworld-chicago-2026-tickets-1975881211894. Also hosts the annual Recognised LEGO Fan Convention (AFOL, Wed–Sun same week). Single-day passes only.