#45829FIRST LEGO League2025
LEGO UNEARTHED Challenge Set
Set #45829 · 2025 · 1,742 pieces · Expert build

Set Details
- Set Number
- 45829
- Name
- UNEARTHED Challenge Set
- Theme
- FIRST LEGO League
- Year
- 2025
- Pieces
- 1,742
- Complexity
- Expert
- Build Time
- 8-16 hours
- Ages
- 16+
- Type
- Both play and display
About LEGO UNEARTHED Challenge Set
LEGO UNEARTHED Challenge Set (set #45829) is a major set with substantial building depth with 1,742 pieces from the FIRST LEGO League theme, released in 2025. The FIRST LEGO League line features robotics competition challenge sets for students. At 1,742 pieces, this is a expert-level build with an estimated build time of 8-16 hours, suitable for ages 16+.
Finding Instructions
Building instructions for LEGO UNEARTHED Challenge Set (#45829) are available as a free PDF on LEGO.com. You can also upload a photo of this set to LegoFinder to identify it and access the instructions directly.
UNEARTHED Challenge Set FAQ
More FIRST LEGO League Sets
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