Past Challenges
FIRST LEGO League has been inspiring youth since 1998.
Red indicates FIRST LEGO League Challenge, green indicates FIRST LEGO League Explore (formerly FIRST LEGO League Jr.), and purple indicates FIRST LEGO League Discover.
2024/2025
SUBMERGED - Challenge
-
Mission Model Building Instructions View
Building Instructions for the SUBMERGEDSM Season
How do I build the Mission Models?
- Sort the LEGO element bags (found in your Challenge Set box) by bag number. They are labeled.
- Match the bag numbers with the corresponding bag numbers below.
- Open the correct pdf files and have an awesome time assembling the models. We strongly recommend opening one set of bags at a time so elements are not mixed up.
- Have fun!
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/CAN) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
Bag NumberElement OverviewPrepack OverviewBag 1Bag 2Bag 3Bag 4Bag 5Bag 6Bag 7Bag 8Bag 9Bag 10Bag 11Bag 12Bag 13Bag 14Element OverviewNonverbal: PDFPrepack OverviewNonverbal: PDFBag 1Nonverbal: PDFBag 2Nonverbal: PDFBag 3Nonverbal: PDFBag 4Nonverbal: PDFBag 5Nonverbal: PDFBag 6Nonverbal: PDFBag 7Nonverbal: PDFBag 8Nonverbal: PDFBag 9Nonverbal: PDFBag 10Nonverbal: PDFBag 11Nonverbal: PDFBag 12Nonverbal: PDFBag 13Nonverbal: PDFBag 14Nonverbal: PDFChallenge Overview DownloadParticipation Certificates DownloadRobot Game Rulebook DownloadChallenge Updates DownloadGuidebooks (TMG, EN, RGR)- Zip download (SUBMERGED) Download2024/2025SUBMERGED - Explore
-
Explore Set Building Instructions View
Building Instructions for the SUBMERGEDSM Season
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/Can) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
-
Guidebooks (TMG, EN) - Zip download (SUBMERGED) Download
-
Explore Overview Download
-
Participation Certificates Download
2024/2025SUBMERGED - Discover
2023/2024MASTERPIECE - Challenge
-
Mission Model Building Instructions View
Building Instructions for the MASTERPIECESM Season
How do I build the Mission Models?
- Sort the LEGO element bags (found in your Challenge Set box) by bag number. They are labeled.
- Match the bag numbers with the corresponding bag numbers below.
- Open the correct pdf files and have an awesome time assembling the models. We strongly recommend opening one set of bags at a time so elements are not mixed up.
- Have fun!
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/CAN) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
Bag NumberElement OverviewPrepack OverviewBag 1Bag 2Bag 3Bag 4Bag 5Bag 6Bag 7Bag 8Bag 9Bag 10Bag 11Bag 12Bag 13Bag 14 -
Challenge Overview Download
-
Download Season Guides Download
2023/2024MASTERPIECE - Explore
-
Explore Set Building Instructions View
Building Instructions for the MASTERPIECESM Season
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/Can) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
-
Explore Overview Download
-
Download Season Guides Download
2023/2024MASTERPIECE - Discover
2022/2023SUPERPOWERED - Challenge
-
Mission Model Building Instructions View
Building Instructions for the SUPERPOWEREDSM Season
How do I build the Mission Models?
- Sort the LEGO element bags (found in your Challenge Set box) by bag number. They are labeled.
- Match the bag numbers with the corresponding bag numbers below.
- Open the correct pdf files and have an awesome time assembling the models. We strongly recommend opening one set of bags at a time so elements are not mixed up.
- Have fun!
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/CAN) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
Bag NumberElement OverviewPrepack OverviewBag 1Bag 2Bag 3Bag 4Bag 5Bag 6Bag 7Bag 8Bag 9Bag 10Bag 11Bag 12Bag 13 -
Challenge Overview Download
-
Download Season Guides Download
2022/2023SUPERPOWERED - Explore
-
Explore Set Building Instructions View
Building Instructions for the SUPERPOWEREDSM Season
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/Can) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
-
Explore Overview Download
-
Download Season Guides Download
2022/2023SUPERPOWERED - Discover
2021/2022CARGO CONNECT - Challenge
-
Mission Model Building Instructions View
Building Instructions for the CARGO CONNECTSM Season
How do I build the Mission Models?
- Sort the LEGO element bags (found in your Challenge Set box) by bag number. They are labeled.
- Match the bag numbers with the corresponding bag numbers below.
- Open the correct pdf files and have an awesome time assembling the models. We strongly recommend opening one set of bags at a time so elements are not mixed up.
- Have fun!
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/CAN) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
Bag NumberElement OverviewPrepack OverviewBag 1Bag 2Bag 3Bag 4Bag 5Bag 6Bag 7Bag 8Bag 9Bag 10Bag 11Bag 12Bag 13Bag 14Bag 15Bag 16Bag 17 -
Challenge Overview Download
2021/2022CARGO CONNECT - Explore
-
Explore Set Building Instructions View
Building Instructions for the CARGO CONNECTSM season
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 (US/Can) or 00800 5346 5555 (International) and a rep should be able to help. Team must mention FIRST LEGO League.
-
Explore Overview Download
2021/2022CARGO CONNECT - Discover
2020/2021RePLAY2020/2021PLAYMAKERS
2019/2020CITY SHAPER
-
Challenge document Letter Download
-
Challenge document A4 Download
-
Kickoff Video Watch Video
-
Mission Model Building Instructions View
Building Instructions for the 2019/2020 CITY SHAPERSM Season
How do I build the Mission Models?
- Sort the LEGO element bags (found in your Challenge Set box) by bag number. They are labeled.
- Match the bag numbers with the corresponding bag numbers below.
- Open the correct pdf files and have an awesome time assembling the models. We strongly recommend opening one set of bags at a time so elements are not mixed up.
- Once all models are assembled, go to the Challenge page to assemble the field.
- Have fun!
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 or 1-800-835-4386 and a rep should be able to help. Team must mention FIRST LEGO League.
Bag Number Nonverbal English French Element Overview PDF PDF PDF Model Overview PDF PDF PDF Prepack Overview PDF PDF PDF Bag 1 PDF PDF PDF Bag 2 PDF PDF PDF Bag 3 PDF PDF PDF Bag 4 PDF PDF PDF Bag 5 PDF PDF PDF Bag 6 PDF PDF PDF Bag 7 PDF PDF PDF Bag 8 PDF PDF PDF Bag 9 PDF PDF PDF Bag 10 PDF PDF PDF Download all files Nonverbal (Zip) English (Zip) French (Zip) Updated 21 August
-
Challenge Updates Download
-
Game Guide Letter Download
-
Game Guide A4 Download
-
Rubrics Letter Download
-
Rubrics A4 Download
-
Table Building InstructionsDownload
-
Table Overview Letter Download
-
Table Overview A4 Download
-
Event Guide for Teams Letter Download
-
Event Guide for Teams A4 Download
-
Certificates View
-
Score Sheet Download
-
Crane Mission View
2019/2020BOOMTOWN BUILD
-
Challenge document Letter Download
-
Challenge document A4 Download
-
Inspire Set Building Instructions View
Building Instructions for the 2019/2020 BOOMTOWN 6BUILDSM season
- BOOMTOWN BUILD Elevator Attachment Element Overview
- BOOMTOWN BUILD Inspire Model Building Instructions - Book 1
- BOOMTOWN BUILD Inspire Model Building Instructions - Book 2
- BOOMTOWN BUILD Inspire Model Building Instructions and Element Overview - Book 3
- BOOMTOWN BUILD Challenge
The bags labeled “1”,”2”, “3” and one unlabeled bag contain elements that kids need to build the BOOMTOWN BUILD Inspire Model as part of Sessions 2 and 4 in the Team Meeting Guide - be sure to set aside these bags until then. Note that all bags labeled “4” can be used as part of your team model and can be used throughout the sessions as instructed. These bags can be opened at any time.
Check out the BOOMTOWN BUILD Inspire Model in action on our YouTube Channel!
Missing LEGO elements?
- Visit the missing parts/customer service page of the LEGO website, identify missing element(s), and order.
- Or call 1-800-422-5346 or 1-800-835-4386 and a rep should be able to help. Team must mention FIRST LEGO League Jr.
-
Multimedia Connections Download
-
Multimedia ConnectionsIggy Peck, Architect Reader's Theater Download
-
Certificates View
2018/2019INTO ORBIT
2018/2019MISSION MOON
2017/2018HYDRO DYNAMICS
2017/2018AQUA ADVENTURE
2016/2017ANIMAL ALLIES
2016/2017CREATURE CRAZE
-
Challenge Document Download
2015/2016TRASH TREK
2015/2016WASTE WISE
-
Challenge Document Download
2014/2015FLL WORLD CLASS
2014/2015Jr. FLL THINK TANK
-
Challenge Document Download
2013/2014NATURE'S FURY
2013/2014DISASTER BLASTER
-
Challenge Document Download
2012/2013SENIOR SOLUTIONS
2012/2013SUPER SENIORS
-
Challenge Document Download
2011/2012FOOD FACTOR
-
Challenge Document Download
2011/2012SNACK ATTACK
-
Challenge Document Download
2010/2011BODY FORWARD
-
Challenge Document - FIRST LEGO League Challenge Download
2010/2011BODY FORWARD
-
Challenge Document Download
2009/2010SMART MOVE
2009/2010SMART MOVE
-
Challenge Document Download
2008/2009CLIMATE CONNECTIONS
2008/2009CLIMATE CONNECTIONS
-
Challenge Document Download
2007/2008POWER PUZZLE
2007/2008POWER PUZZLE
-
Challenge Document Download
2006/2007NANO QUEST
2006/2007NANO QUEST
-
Challenge Document Download
2005/2006OCEAN ODYSSEY
2005/2006OCEAN ODYSSEY
-
Challenge Document Download
2004/2005NO LIMITS
2003/2004MISSION MARS
2002/2003CITY SIGHTS
2001/2002ARCTIC IMPACT
2000/2001VOLCANIC PANIC
1999/2000FIRST CONTACT
1998/1999PILOT YEAR
