LEGO 910029 Mountain Fortress is a BrickLink set valued at $600 for new and sealed sets, up 58% from an original retail price of $379.99. The set retired in February 2024 with annual appreciation averaging 21.46% since. Used copies are valued between $388 and $517 depending on condition. Secondary market prices for new and sealed sets typically fall between $570 and $620.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Mountain Fortress since February 2024. Very high accuracy
LEGO 910029 Mountain Fortress is a BrickLink Designer Program Series 1 exclusive set released in 2024, featuring 3,995 pieces and nine minifigures. With a limited production run of only 30,000 sets, it stands as one of the most coveted fan-designed creations in the program.

The build depicts a majestic mountain fortress with a winter theme, complete with a drawbridge, frozen moat, and detailed snowy landscapes. Its foldable and accessible interiors reveal richly designed rooms, defensive structures, and medieval architectural elements. Combining nostalgic Castle-era aesthetics with modern building techniques, Mountain Fortress captures the spirit of classic LEGO fantasy.

A new and sealed Mountain Fortress is currently valued at around $600, with annual growth of about 14.4% that is expected to level off to around 11.0% in the coming year, making it a solid investment. The average used price is $450 for those in good overall condition. Based on current trends, this set could be valued near $636 within the next year. The 9 included minifigs account for approximately 11% of the set's total value.

For Sale (New/Sealed)

(US) 910029 Bricklink Designer Mountain Fortress. Brand New.
BrickEconomy Choice
$560.00
(US) Bricklink Designer Program 910029 Mountain Fortress NISB $565.00
-5.8%
(NL) Still in original brown box. $566.72
-5.5%
(US) New in sealed box, great condition. Will ship in Lego's original shipping box $570.00
-5.0%
(US) NEW IN SEALED BOX. Box may have very minor shelf-ware along the edges. I'm happy to s... $570.00
-5.0%
(US) New in sealed box, great condition. Will ship in Lego's original shipping box $570.00
-5.0%
(CA) Set 910029 Mountain Fortress BrickLink Designer Program New 3995 Pieces $571.92
-4.7%
(NL) BrickLink store BetuweBricks $572.57
-4.6%
(GR) BrickLink store Medieval & Castle Bricks $572.57
-4.6%
(SK) Shipping in EU 8-32 euro depends on weight. $576.38
-3.9%
(NL) NEW IN SEALED BOX $577.77
-3.7%
(SK) BrickLink store JOJO $578.29
-3.6%
(NL) BrickLink store Brickfan.nl $578.33
-3.6%
(FI) BrickLink store Order of the (brick)Stones $578.35
-3.6%
(US) Brand new and sealed. Ready to shipBoxes may have creasing or shelf-wear. Some seals ... $579.99
-3.3%
(US) Brand new and sealed. Ready to shipBoxes may have creasing or shelf-wear. Some seals ... $579.99
-3.3%
(NL) BrickLink store BricklegionNL $582.19
-3.0%
(NL) BrickLink store Steentjesverhuur $582.20
-3.0%
(SK) BrickLink store RockyBricks (ask for %) $588.76
-1.9%
(SK) Shipping in EU 8-32 euro depend on weight. $589.05
-1.8%
(CA) BrickLink store PatB $589.79
-1.7%
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Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 910029 Mountain Fortress.

Sets in BrickLink / Designer Program Series 1

910032 Parisian Street

Year 2024
Pieces / Minifigs 3,532 / 7
Availability Retired
910032 LEGO Parisian Street
Retail $319.99
Value $349.00
Growth  +9.1%
Annual growth 6.2%

910033 Old Train Engine Shed

Year 2024
Pieces / Minifigs 2,331 / 6
Availability Retired
910033 LEGO Old Train Engine Shed
Retail $229.99
Value $287.23
Growth  +24.9%
Annual growth 9.9%

910031 General Store

Year 2024
Pieces / Minifigs 1,906 / 5
Availability Retired
910031 LEGO General Store
Retail $159.99
Value $236.48
Growth  +47.8%
Annual growth 18.6%

910030 Snack Shack

Year 2024
Pieces / Minifigs 539 / 2
Availability Retired
910030 LEGO Snack Shack
Retail $49.99
Value $73.59
Growth  +47.2%
Annual growth 17.9%

More Sets

910002 Studgate Train Station

Theme / Subtheme BrickLink / Designer Program
Year 2022
Pieces / Minifigs 4,062 / 11
Availability Retired
910002 LEGO Studgate Train Station
Retail $399.99
Value $691.71
Growth  +72.9%
Annual growth 14.4%

910027 Mountain View Observatory

Theme / Subtheme BrickLink / Designer Program
Year 2022
Pieces / Minifigs 3,889 / 11
Availability Retired
910027 LEGO Mountain View Observatory
Retail $319.99
Value $458.95
Growth  +43.4%
Annual growth 5.6%

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 $478.73
Growth  +65.1%
Annual growth 11.7%

910008 Modular Construction Site

Theme / Subtheme BrickLink / Designer Program
Year 2022
Pieces 3,371
Availability Retired
910008 LEGO Modular Construction Site
Retail $319.99
Value $932.82
Growth  +191.5%
Annual growth 17.8%

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 $539.95
Growth  +134.8%
Annual growth 9.4%

910004 Winter Chalet

Theme / Subtheme BrickLink / Designer Program
Year 2022
Pieces 2,705
Availability Retired
910004 LEGO Winter Chalet
Retail $199.99
Value $434.99
Growth  +117.5%
Annual growth 11.3%

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 $838.47
Growth  +365.8%
Annual growth 20.4%

910003 Mountain Windmill

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 2,085
Availability Retired
910003 LEGO Mountain Windmill
Retail $179.99
Value $272.13
Growth  +51.2%
Annual growth 5.0%

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 $500.69
Growth  +178.2%
Annual growth 10.1%

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 $269.98
Growth  +107.7%
Annual growth 7.1%
"The Black Falcon used to be a powerful baron of the Old Kingdom. After the Lion Knights took over the realm, the arrangement was made for Black Falcon's daughter, Kunegunde, to marry the king. However, when the baron fell in a joust, these plans came to naught and the king married another baroness. But Kunegunde decided to take matters in her own hands...

A few years ago, together with her younger sister, who was a royal falconer, Kunegunde managed to covertly organize an abduction of the king when he was on a hunting trip. Now the king is being secretly held in a remote and inaccessible mountain fortress, while Kunegunde is readying for a winter campaign against the queen."

What makes this mighty fortress design stand out is its harsh winter scenery, including snow caps and icicles. It consists of a lower and upper castle, connected by a drawbridge, which spans a frozen moat.

The build is quite large in size and uses just shy of the maximum allowed 4000 pieces. The...
Description provided by LEGO©