FIRST® LEGO® League Challenge (FLL)

FIRST® LEGO® League Challenge (FLL) is the most accessible, guided, global robotics competition, helping students and teachers to build a better future together. The program is built around theme-based Challenges to engage children ages 9 to 14 in research, problem solving, coding, and engineering.  During each season, teams of up to 10 members will choose and solve a real-world problem in the Project. They will also build, test, and program an autonomous robot using LEGO® MINDSTORMS technology to solve a set of missions in the Robot Game. Throughout their experience, teams will operate under Core Values celebrating discovery, teamwork, and Gracious Professionalism®.

Past themes include space, natural disasters, senior citizens, food health & safety, climate change, medical science, and nanotechnology. Tournaments are run with the feel of a sporting event, and teams compete like crazy while having the time of their lives.  It’s fun, exciting and the skills they learn will last a lifetime.


  • Design, build, test and program robots using LEGO MINDSTORMS® technology
  • Apply real-world math and science concepts
  • Research challenges facing today’s scientists
  • Learn critical thinking, team-building and presentation skills
  • Participate in tournaments and celebrations

2021-2022 FLL Season Overview

Learn more about the upcoming FIRST LEGO League Challenge Season

Start and Register an FLL Team

Learn how to Start an FIRST LEGO League Team and how to Register

Team Costs and Grants

Learn about the costs to start an FLL team and possible grants to help you.

FLL Competitions

Find out about our next upcoming competition


Learn more about how you can volunteer to help at an FLL competition

FLL Resources

Find all the resources to help you and your team