LEGO FIRST LEGO League Sets
52+ sets · 2000–2025
About LEGO FIRST LEGO League
LEGO FIRST LEGO League is a theme robotics competition challenge sets for students. The theme is aimed primarily at children, with minifigures and play features central to most sets. The line has produced 52 sets between 2000 and 2025, with the SUPERPOWERED Challenge Kit (#45820) as one of its largest at 2,179 pieces.
Notable FIRST LEGO League Sets
SUPERPOWERED Challenge Kit
#45820 · 2022 · 2,179 pcs
Animal Allies Challenge Kit
#45802 · 2016 · 2,167 pcs
City Shaper Challenge Kit
#45809 · 2019 · 2,158 pcs
Food Factor Challenge Kit
#9697 · 2011 · 2,115 pcs
FLL World Class: Learning Unleashed Challenge Kit
#45800 · 2014 · 2,098 pcs
HYDRO DYNAMICS Challenge Kit
#45804 · 2017 · 2,052 pcs
Nature's Fury Challenge Kit
#9664 · 2013 · 1,995 pcs
Trash Trek Challenge Kit
#45801 · 2015 · 1,990 pcs
Newest FIRST LEGO League Releases
The most recent FIRST LEGO League sets from the LEGO catalogue.
UNEARTHED Challenge Set
#45829 · 2025 · 1,742 pcs
UNEARTHED Explore Set
#45830 · 2025 · 708 pcs
UNEARTHED Discover Set
#45831 · 2025 · 32 pcs
SUBMERGED Challenge Set
#45826 · 2024 · 1,916 pcs
SUBMERGED Explore Set
#45827 · 2024 · 667 pcs
SUBMERGED Discover Set
#45828 · 2024 · 55 pcs
MASTERPIECE Challenge Kit
#45823 · 2023 · 1,756 pcs
MASTERPIECE Explore Set
#45824 · 2023 · 806 pcs
Rare & Retired FIRST LEGO League Sets
Older flagship-tier FIRST LEGO League sets that are likely no longer in production. Often valuable to collectors.
Animal Allies Challenge Kit
#45802 · 2016 · 2,167 pcs
City Shaper Challenge Kit
#45809 · 2019 · 2,158 pcs
Food Factor Challenge Kit
#9697 · 2011 · 2,115 pcs
FLL World Class: Learning Unleashed Challenge Kit
#45800 · 2014 · 2,098 pcs
HYDRO DYNAMICS Challenge Kit
#45804 · 2017 · 2,052 pcs
Nature's Fury Challenge Kit
#9664 · 2013 · 1,995 pcs
Trash Trek Challenge Kit
#45801 · 2015 · 1,990 pcs
CARGO CONNECT Challenge Kit
#45816 · 2021 · 1,918 pcs
Best FIRST LEGO League Sets for Beginners
Smaller FIRST LEGO League sets that are good entry points without overwhelming a first-time builder in this theme.
Browse FIRST LEGO League by Size
Every FIRST LEGO League set grouped by piece count — pick the size that matches the build time you have.
Starter (≤50 pieces)
5 shownSmall, quick builds — usually under 20 minutes.
Quick (51–150 pieces)
8 shownCompact sets finished in a single sitting.
Trash Trek Replacement Pack
#2000714 · 2015 · 104 pcs
Animal Allies Replacement Pack
#2000716 · 2016 · 87 pcs
Creature Craze Inspire Set
#45803 · 2016 · 81 pcs
SUPERPOWERED Discover Set
#45822 · 2022 · 80 pcs
BOOMTOWN BUILD Discovery Set
#45812 · 2019 · 78 pcs
CARGO CONNECT Discover Set
#45818 · 2021 · 77 pcs
PLAYMAKERS Discover Set
#45815 · 2020 · 76 pcs
MASTERPIECE Discover Set
#45825 · 2023 · 58 pcs
Moderate (151–400 pieces)
3 shownAfternoon builds with enough depth to feel substantial.
Substantial (401–800 pieces)
7 shownMulti-hour builds across several numbered bags.
PLAYMAKERS Explore Set
#45814 · 2020 · 779 pcs
BOOMTOWN BUILD Inspire Set
#45810 · 2019 · 738 pcs
AQUA ADVENTURE Inspire Set
#45805 · 2017 · 710 pcs
UNEARTHED Explore Set
#45830 · 2025 · 708 pcs
Mission MOON Inspire Set
#45807 · 2018 · 693 pcs
SUBMERGED Explore Set
#45827 · 2024 · 667 pcs
FLL Trophy Large
#2000423 · 2013 · 438 pcs
Advanced (801–1,500 pieces)
8 shownSerious projects — typically spanning multiple sessions.
Ocean Odyssey Challenge Kit
#9762 · 2005 · 1,471 pcs
No Limits Challenge Kit
#9761 · 2004 · 1,437 pcs
Arctic Impact Challenge Kit
#9784 · 2001 · 1,368 pcs
Smart Move Challenge Kit
#9698 · 2009 · 1,310 pcs
Mission Mars Challenge Kit
#9788 · 2003 · 1,209 pcs
City Sights Challenge Kit
#9789 · 2002 · 1,016 pcs
SUPERPOWERED Explore Set
#45821 · 2022 · 998 pcs
CARGO CONNECT Explore Set
#45817 · 2021 · 885 pcs
Expert (1,501–3,000 pieces)
8 shownFlagship-scale builds with complex techniques and large footprints.
SUPERPOWERED Challenge Kit
#45820 · 2022 · 2,179 pcs
Animal Allies Challenge Kit
#45802 · 2016 · 2,167 pcs
City Shaper Challenge Kit
#45809 · 2019 · 2,158 pcs
Food Factor Challenge Kit
#9697 · 2011 · 2,115 pcs
FLL World Class: Learning Unleashed Challenge Kit
#45800 · 2014 · 2,098 pcs
HYDRO DYNAMICS Challenge Kit
#45804 · 2017 · 2,052 pcs
Nature's Fury Challenge Kit
#9664 · 2013 · 1,995 pcs
Trash Trek Challenge Kit
#45801 · 2015 · 1,990 pcs
FIRST LEGO League Through the Decades
A sample of notable FIRST LEGO League sets from each decade the theme has been in production.
2020s
2010s
2000s
LEGO FIRST LEGO League FAQ
See Also
👨👩👧 Parent guides
Age-matched buying guides, gift recommendations, and practical advice for parents choosing LEGO sets for children of every age.
🔍 Identify guides
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🎨 Browse all themes
Over 100 LEGO themes with editorial pages
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