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LEGO 2021 / BrickLink Sets

In 2021, LEGO released 10 BrickLink sets in the subtheme Designer Program, all of these sets have been retired. For that year, the total price of all retail sets cost $1,440, today those sets are valued around $3,433, a growth of 138%.
Most valuable 2021 LEGO BrickLink set
910009 Modular LEGO Store $869.99
Largest 2021 LEGO BrickLink set
910023 Venetian Houses 3,470 pieces
10 sets

910001 Castle in the Forest

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces / Minifigs 1,973 / 6
Availability Retired
910001 LEGO Castle in the Forest
Retail $179.99
Value $494.14
Growth  +174.5%
Annual growth 9.4%

910003 Mountain Windmill

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 2,085
Availability Retired
910003 LEGO Mountain Windmill
Retail $179.99
Value $278.83
Growth  +54.9%
Annual growth 7.0%

910009 Modular LEGO Store

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces / Minifigs 2,149 / 6
Availability Retired
910009 Modular LEGO Store
Retail $179.99
Value $869.99
Growth  +383.4%
Annual growth 20.9%

910010 The Great Fishing Boat

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces / Minifigs 1,606 / 3
Availability Retired
910010 LEGO The Great Fishing Boat
Retail $129.99
Value $270.00
Growth  +107.7%
Annual growth 15.3%

910013 Retro Bowling Alley

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces / Minifigs 2,779 / 5
Availability Retired
910013 LEGO Retro Bowling Alley
Retail $229.99
Value $494.99
Growth  +115.2%
Annual growth 17.2%

910015 Clockwork Aquarium

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 876
Availability Retired
910015 LEGO Clockwork Aquarium
Retail $64.99
Value $173.78
Growth  +167.4%
Annual growth 9.4%

910016 Sheriff's Safe

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 578
Availability Retired
910016 LEGO Sheriff's Safe
Retail $49.99
Value $108.45
Growth  +116.9%
Annual growth 7.1%

910017 Kakapo

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 1,062
Availability Retired
910017 LEGO Kakapo
Retail $79.99
Value $190.05
Growth  +137.6%
Annual growth 8.4%

910023 Venetian Houses

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces / Minifigs 3,470 / 13
Availability Retired
910023 LEGO Venetian Houses
Retail $289.99
Value $449.15
Growth  +54.9%
Annual growth 9.4%

910028 Pursuit of Flight

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 540
Availability Retired
910028 LEGO Pursuit of Flight
Retail $54.99
Value $103.75
Growth  +88.7%
Annual growth 9.6%

Year Pricing

Retail
$1,439.90   (for all 10 sets)
New/Sealed
Value
$3,433.13
Growth
+138.43%
Annual growth
+9.36%
Used
Value
$2,549.33

Subtheme Pricing

2021 / BrickLink
Annual growth
Designer Program
+9.36%

Subthemes

2021 / BrickLink
Sets
Designer Program
10

Community Stats

The following are the top 10 most owned 2021 BrickLink sets by LEGO collectors.
#1Modular LEGO Store
#2Retro Bowling Alley
#3Castle in the Forest
#4Mountain Windmill
#5Venetian Houses
#6Clockwork Aquarium
#7The Great Fishing Boat
#8Sheriff's Safe
#9Pursuit of Flight
#10Kakapo

About LEGO BrickLink

BrickLink Designer sets are custom LEGO sets created by fans and produced through a collaboration between LEGO and BrickLink, an online marketplace for LEGO products. The process begins with a submission phase where LEGO enthusiasts submit their original designs. These designs are then voted on by the LEGO community, and the most popular ones move forward to a crowdfunding phase.
2021 LEGO Sets
In 2021, LEGO explored digital-physical play with LEGO VIDIYO, a collaboration with Universal Music Group that let users create augmented-reality music videos using minifigures and collectible BeatBits. Although short-lived, the experiment reflected LEGO’s continued pursuit of hybrid play experiences. The LEGO Art series expanded with more display sets inspired by pop culture and design icons, strengthening LEGO’s appeal among adult builders. Established themes such as Star Wars, City, and Technic maintained momentum, while LEGO unveiled prototype bricks made from recycled materials—an early step toward fully sustainable production.