Fab City Challengeˣ is a program supports network members in organizing official regional challenges worldwide under the Fab City Challenge banner.Fab City Regional Challenges Fab City Challengeˣ Shenzhen 2024Fab City Challengeˣ Shenzhen 2024Fab City Challengeˣ Highschool 2025Fab City Challengeˣ Highschool 2025