UNEARTHED Challenge Set (45829-1) is a FIRST LEGO League LEGO set released in 2025 with 1,742 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing FIRST LEGO League sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 1 minifigure and 480 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2025
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Catalog scale
1,742 parts listed · 480 inventory lines tracked
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Minifigures
1 in this set's inventory — verify completeness when buying used
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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Shipping weight (est.)
~3,320 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
No estimate on BrickID yet
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Minifigures in UNEARTHED Challenge Set
Parts in this set
480 parts · page 1 of 10 · updating…
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![Animal, Fish [Hollow Stud Mouth]](https://cdn.rebrickable.com/media/parts/elements/4611885.jpg)
Animal, Fish [Hollow Stud Mouth]64648 · ×2 · Flat Silver -
Antenna 1 x 4 with Flat Top3957b · ×3 · Light Bluish Gray -
![Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]](https://cdn.rebrickable.com/media/parts/elements/6439041.jpg)
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]3484 · ×1 · Light Bluish Gray -
Bar 3L87994 · ×2 · Black -
Bar, Ring 7L Diameter, with 2 Axle Connectors79851 · ×3 · Black -
Barrel Half Large with Axle Hole64951 · ×2 · Dark Orange -
Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder73562 · ×2 · Dark Bluish Gray -
Brick 1 x 13005 · ×1 · Light Bluish Gray -
Brick 1 x 13005 · ×1 · Black -
Brick 1 x 13005 · ×1 · Dark Bluish Gray -
Brick 1 x 13005 · ×1 · Trans-Clear -
Brick 1 x 106111 · ×3 · Light Bluish Gray -
Brick 1 x 23004 · ×8 · Light Bluish Gray -
Brick 1 x 23004 · ×2 · Tan -
Brick 1 x 23004 · ×2 · Reddish Brown -
Brick 1 x 33622 · ×1 · Light Bluish Gray -
Brick 1 x 43010 · ×4 · Tan -
Brick 1 x 43010 · ×2 · Reddish Brown -
Brick 1 x 43010 · ×6 · Light Bluish Gray -
Brick 1 x 63009 · ×5 · Light Bluish Gray -
Brick 1 x 83008 · ×2 · Reddish Brown -
Brick 1 x 83008 · ×1 · Dark Bluish Gray -
Brick 2 x 23003 · ×1 · Tan -
Brick 2 x 2 Corner2357 · ×1 · Dark Bluish Gray -
Brick 2 x 2 Corner2357 · ×2 · Reddish Brown -
Brick 2 x 33002 · ×1 · Dark Bluish Gray -
Brick 2 x 33002 · ×1 · Tan -
Brick 2 x 43001 · ×1 · Light Bluish Gray -
Brick 2 x 43001 · ×8 · Dark Bluish Gray -
Brick Arch 1 x 2 Jumper38583 · ×1 · Dark Bluish Gray -
Brick Arch 1 x 34490 · ×1 · Dark Bluish Gray -
Brick Curved 1 x 1 x 2/3 Double Curved Top, No Studs49307 · ×1 · Black -
![Brick Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6028813.jpg)
Brick Curved 2 x 1 No Studs [1/2 Bow]11477 · ×1 · Light Bluish Gray -
Brick Curved 2 x 1 with Inverted Cutout78666 · ×2 · Green -
Brick Curved 2 x 2 x 2/315068 · ×3 · Reddish Brown -
Brick Curved Inverted 2 x 124201 · ×1 · Light Bluish Gray -
Brick Curved, 3 x 1 with 1/3 Inverted Cutout70681 · ×3 · Tan -
Brick Curved, 3 x 1 with 1/3 Inverted Cutout70681 · ×1 · Light Bluish Gray -
![Brick Round 2 x 2 [Grill]](https://cdn.rebrickable.com/media/parts/elements/6036503.jpg)
Brick Round 2 x 2 [Grill]92947 · ×1 · Reddish Brown -
![Brick Round 2 x 2 [Grill]](https://cdn.rebrickable.com/media/parts/elements/4650645.jpg)
Brick Round 2 x 2 [Grill]92947 · ×2 · Light Bluish Gray -
![Brick Round 2 x 2 [Grill]](https://cdn.rebrickable.com/media/parts/elements/6268169.jpg)
Brick Round 2 x 2 [Grill]92947 · ×5 · Dark Bluish Gray -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Red -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Light Bluish Gray -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Medium Azure -
Brick Round 2 x 2, Pin Holes17485 · ×1 · Black -
Brick Round 3 x 4 x 2/3 Triple Curved with 2 Sunk Studs93604 · ×2 · Reddish Brown -
Brick Round 4 x 4 Centre Hole87081 · ×6 · Red -
Brick Round 4 x 4 Centre Hole87081 · ×3 · Tan