Name: Education FIRST LEGO League Challenge 2025 - Unearthed
Brand: LEGO
SKU: 45829-1
Availability: InStock
Rating: 4.70 (50 reviews)

LEGO 45829 FIRST LEGO League Challenge 2025 - Unearthed is a Education set currently valued at $479 for new and sealed sets. Annual appreciation has averaged 31.90% since release. On the used market, values range from $390 to $462 based on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set FIRST LEGO League Challenge 2025 - Unearthed since August 2025. Medium accuracy

The LEGO set 45829, titled UNEARTHED Challenge Set, is the official competition field kit for the FIRST LEGO League Challenge division for the 2025–2026 “UNEARTHED” season. It is designed for student teams aged 9–16 participating in the annual STEM robotics competition jointly organized by LEGO Education and FIRST. The set provides all physical mission models, field elements, and a printed mat that represent the season’s theme of archaeology and discovery. Teams use the models to design, build, and program autonomous LEGO robots to complete missions that simulate excavating artifacts, exploring the past, and applying innovation to reveal connections between history and modern technology. The set includes 1,743 pieces for constructing the complete challenge field setup used in tournaments and practice.

A new and sealed FIRST LEGO League Challenge 2025 - Unearthed is currently valued at around $479, with annual growth of about 31.9% that is expected to level off to around 5.3% in the coming year. The average used price is $398 for those in good overall condition. New and sealed listings currently range from $400 to $900. Based on current trends, this set could be valued near $493 within the next year.

For Sale (New/Sealed)

	(US) SEALED LEGO Education 45813 First Lego League Challenge 1602 Pieces ULTRA RARE	BrickEconomy Choice $397.95
	(US) 2025-2026 First Lego League Challenge (FLL) Unearthed challenge 45829 Last One	$900.00 +87.9%

FIRST LEGO League Challenge 2025 Sets


	45830 FIRST LEGO League Challenge 2025 - Unearthed Explore Set Theme / Subtheme Education / FIRST LEGO League Challenge Year 2025 Pieces 698 Availability Retired Buy this set at eBay	Retail $150.00 Value $209.06 Growth +39.4% Annual growth 15.3% I own this set I want this set

	45831 FIRST LEGO League Challenge 2025 - Unearthed Discover Set Theme / Subtheme Education / FIRST LEGO League Challenge Year 2025 Pieces 32 Availability Retired Buy this set at eBay Bricklink	Retail $35.00 Value $43.48 Growth +24.2% Annual growth 25.1% I own this set I want this set

Sets in Education / FIRST LEGO League Challenge


	45823 MASTERPIECE Challenge Set Theme / Subtheme Education / FIRST LEGO League Challenge Year 2023 Pieces / Minifigs 1,756 / 5 Availability Retired Buy this set at eBay Bricklink	Retail $250.00 Value $404.66 Growth +61.9% Annual growth 14.1% I own this set I want this set

My Collection

I own this set

I want this set

Set Details

Set number

45829-1

Name

FIRST LEGO League Challenge 2025 - Unearthed

Theme

Education

Subtheme

FIRST LEGO League Challenge

Year

2025

Released

August 2025

Availability

Retired

Pieces

1,743 (PPP $0.05)

Set Pricing

Retail price

$95.00

New/Sealed

Value

$479.00

Growth

+404.21%

Annual growth

+31.90%

Future growth

+5.26% (2-3 year outlook)

90-day change

-2.02%

Used

Value

$397.57

Range

$390.02 - $461.88

Quick Buy

eBay

Buy

Lowest price

$397.95

Highest price

$900.00

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$479.00

1 year forecast

$492.87Medium accuracy

5 year forecast

$597.63

$580

$614

45829 FIRST LEGO League Challenge 2025 - Unearthed is projected to be valued between $580 - $614 within five years.

Insights

Limited to the FIRST LEGO League Challenge program and tied to the 2025 competition, FIRST LEGO League Challenge 2025 - Unearthed has seen strong post-retirement interest driven by its one-season distribution and unique field elements, and its niche educational focus brings higher volatility and thinner trading liquidity.

Set Facts

The set number is 45829-1 and it belongs to the “UNEARTHED” season of FIRST LEGO League Challenge.
The package includes approximately 1,743 pieces including a challenge mat and corresponding mission models for use in the robot game.
The season theme “UNEARTHED” prompts teams to explore archaeology, discovery of the past, and how ideas from the past shape the future.
The set is used in competition, including building of mission models, field setup and robot game tasks; it is not a typical retail playset, but for educational competition use.

FIRST LEGO League Challenge 2025 - Unearthed Reviews

50 reviews

4.7

Collectors

Investors

BrickEconomy Expert Review

“The UNEARTHED Challenge Set features a clearly organized field layout with distinct mission models that use layered structures, mechanical functions, and varied geometry to represent archaeological tools and sites. The mission placements emphasize accurate positioning, controlled movement, and intentional attachment design, encouraging consistent robot interactions across the table. Visually, the models maintain a unified design language that supports clarity and repeatability throughout the season.”

Subtheme Analysis

Education / FIRST LEGO League Challenge

Sets

Years

2023 - 2025

Annual growth

+11.86%

Community Stats

FIRST LEGO League Challenge 2025 - Unearthed currently ranks #3 out of the top most owned sets in Education FIRST LEGO League Challenge.

#1MASTERPIECE Challenge Set

#2FIRST LEGO League Challenge 2025 - Unearthed Explore Set

#3FIRST LEGO League Challenge 2025 - Unearthed

#4FIRST LEGO League Challenge 2025 - Unearthed Discover Set

About Education FIRST LEGO League Challenge

The "MASTERPIECE Challenge Sets" are part of the LEGO Education FIRST LEGO League (FLL) Challenge. These sets are used in the FIRST LEGO League Challenge, where teams of students aged 9-16 build and program LEGO robots to complete missions on a themed playing field. The MASTERPIECE theme encourages participants to explore and solve problems related to creativity and the arts. The set includes a variety of LEGO elements to construct mission models that teams' robots must interact with, promoting STEM learning, critical thinking, and teamwork skills.

FIRST LEGO League Challenge currently consists of 4 sets that as of now has run from 2023 to 2025. As of today, 45829 FIRST LEGO League Challenge 2025 - Unearthed is the most valuable FIRST LEGO League Challenge set with an estimated new/factory sealed value of $479.

Summary

Education FIRST LEGO League Challenge FIRST LEGO League Challenge 2025 - Unearthed set 45829 was released in August 2025, retailing for $95, but has since been retired. New, unopened FIRST LEGO League Challenge 2025 - Unearthed sets are valued at $479, while used sets can be found for $398.

Grab your gear, pack your magnifying glass, rope, and pickaxe - the adventure begins! In this season of FIRST LEGO League UNEARTHED, you and your team will follow the traces of the past: uncover hidden treasures, mysterious artifacts, and forgotten stories. But your mission doesn't end with the discovery, that's just the beginning!

What lies behind the ancient symbol carved in stone? What tools help archaeologists in their exciting work? And how can your ideas shape the future?

The comic gives you a first glimpse into your journey: from hiking into the field and searching for clues to deciphering the past: your curiosity and team spirit are key!

Get ready: dig, explore, discover - and uncover the world of UNEARTHED together with your team!

45829 Education FIRST LEGO League Challenge 2025 - Unearthed