How many pieces does the LEGO UNEARTHED Challenge Set (45829-1) have?

The LEGO UNEARTHED Challenge Set set (45829-1) contains 1742 pieces. It was released in 2025 as part of the LEGO FIRST LEGO League theme.

How can I find missing parts for LEGO set 45829-1?

On BrickMissing you can check which parts from the LEGO UNEARTHED Challenge Set (45829-1) you already own. Add your LEGO collection and we'll show exactly which of the 1742 pieces you're missing and which you already have.

Can I build the LEGO UNEARTHED Challenge Set with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 1742 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO UNEARTHED Challenge Set from?

The LEGO UNEARTHED Challenge Set (45829-1) belongs to the LEGO FIRST LEGO League theme. You can browse all FIRST LEGO League sets on BrickMissing to find more sets from this theme.

UNEARTHED Challenge Set

45829-1 FIRST LEGO League 2025 1742 parts 2.1% catalog rarity Expert

UNEARTHED Challenge Set (45829-1) is a LEGO set with a listed count of 1742 parts. Available inventory data is shown below.

Parts Inventory

🧱 1742 parts

Showing the first 12 rows of the parts list (1742 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Light Bluish Gray	8×	€0,10 View at LEGO → View
Tan	2×	€0,13 View at LEGO → View
Tan	2×	€0,12 View at LEGO → View
Light Bluish Gray	2×	€0,41 View at LEGO → View
Dark Bluish Gray	10×	€0,29 View at LEGO → View
Tan	2×	€0,13 View at LEGO → View
Black	2×	€0,29 View at LEGO → View
Light Bluish Gray	1×	€0,06 View at LEGO → View
Black	1×	€0,27 View at LEGO → View
Light Bluish Gray	2×	€0,38 View at LEGO → View
Dark Bluish Gray	2×	€0,13 View at LEGO → View
Black	1×	€3,00 View at LEGO → View

I already have an account

Catalog rarity

How common are the parts in UNEARTHED Challenge Set?

2.1%Low rarity

more commonless common

10 of 480 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

14.4%

All sets

6.7%

Least common in our catalog

Slope Curved 4 x 4 x 2/3 Triple Curved · White · only this set in our catalogFirst LEGO League Mat, Unearthed · Unknown · only this set in our catalogTechnic Panel Curved and Bent 6 x 3 · Lime · 2 sets in our catalogBuy at LEGO ↗

How we calculate this →