1. Sets
  2. BrickLink
  3. Designer Program Series 1
910029 LEGO Mountain Fortress thumbnail image

910029 LEGO Mountain Fortress
Images 6Description 
910029 LEGO Mountain Fortress
  • Mountain Fortress thumbnail
  • Mountain Fortress thumbnail
  • Mountain Fortress thumbnail
  • Mountain Fortress thumbnail
  • Mountain Fortress thumbnail
  • Mountain Fortress thumbnail

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 18.83% since. Used copies are valued between $470 and $584 depending on condition. Secondary market prices for new and sealed sets typically fall between $590 and $633.

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 12.6% that is expected to level off to around 9.7% in the coming year, making it a solid investment. The average used price is $487 for those in good overall condition. Based on current trends, this set could be valued near $632 within the next year. The 9 included minifigs account for approximately 11% of the set's total value.
All regions

For Sale (New/Sealed)

 (US) Bricklink 910029 Mountain Fortress New Sealed Retired
BrickEconomy Choice
$555.00
(NL) The set will be shipped in the original brown shipping box. $566.05
-5.6%
(NL) alle producten zijn opgeslagen in een ruimte zonder natuurlijk licht tegen UV-stralin... $567.76
-5.3%
(NL) NEW IN SEALED BOX $568.33
-5.2%
(NL) BrickLink store Brickfan.nl $568.88
-5.1%
(BE) BrickLink store Retail4Brick $568.90
-5.1%
(CA) BrickLink store 4CarG $584.50
-2.5%
(US) 910029 Bricklink Designer Program Mountain Fortress New Sealed Limited $586.98
-2.1%
(FR) BrickLink store Touraine Bricks $591.54
-1.4%
(NL) BrickLink store Playful Pirate Brickstore $591.66
-1.3%
(SK) BrickLink store JOJO $591.66
-1.3%
(US) - BrickLink Designer Program - Mountain Fortress 910029 $595.00
-0.8%
(US) Brand new, factory sealed, ships with original outer box $597.00
-0.5%
(US) BNIB $598.49
-0.2%
(US) BrickLink store Brown Game Store $598.99
-0.1%
(US) - BrickLink Designer Program - Mountain Fortress 910029NEW $599.00
-0.1%
(US) BrickLink 910029 Mountain Fortress NEW Sealed Collector Grade Box BDP $599.00
-0.1%
(US) - BrickLink Designer Program - Mountain Fortress 910029 - NEW and SEALED $599.00
-0.1%
(US) BrickLink store Pandoras Bricks $599.00
-0.1%
Show 37 more listings

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

Theme / Subtheme BrickLink / Designer Program Series 1
Year 2024
Pieces / Minifigs 3,532 / 7
Availability Retired
910032 LEGO Parisian Street
Retail $319.99
Value $345.00
Growth  +7.8%
Annual growth 5.8%

910033 Old Train Engine Shed

Theme / Subtheme BrickLink / Designer Program Series 1
Year 2024
Pieces / Minifigs 2,331 / 6
Availability Retired
910033 LEGO Old Train Engine Shed
Retail $229.99
Value $275.00
Growth  +19.6%
Annual growth 7.0%

910031 General Store

Theme / Subtheme BrickLink / Designer Program Series 1
Year 2024
Pieces / Minifigs 1,906 / 5
Availability Retired
910031 LEGO General Store
Retail $159.99
Value $211.75
Growth  +32.4%
Annual growth 11.4%

910030 Snack Shack

Theme / Subtheme BrickLink / Designer Program Series 1
Year 2024
Pieces / Minifigs 539 / 2
Availability Retired
910030 LEGO Snack Shack
Retail $49.99
Value $75.71
Growth  +51.5%
Annual growth 17.0%

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 $712.53
Growth  +78.1%
Annual growth 6.1%

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 $450.00
Growth  +40.6%
Annual growth 5.8%

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 $449.99
Growth  +55.2%
Annual growth 9.5%

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 $969.54
Growth  +203.0%
Annual growth 17.2%

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 $510.80
Growth  +122.1%
Annual growth 18.1%

910004 Winter Chalet

Theme / Subtheme BrickLink / Designer Program
Year 2022
Pieces 2,705
Availability Retired
910004 LEGO Winter Chalet
Retail $199.99
Value $433.59
Growth  +116.8%
Annual growth 10.9%

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 $853.60
Growth  +374.2%
Annual growth 20.6%

910003 Mountain Windmill

Theme / Subtheme BrickLink / Designer Program
Year 2021
Pieces 2,085
Availability Retired
910003 LEGO Mountain Windmill
Retail $179.99
Value $270.55
Growth  +50.3%
Annual growth 6.9%

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 $499.98
Growth  +177.8%
Annual growth 9.6%

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%

My Collection

Mountain Fortress Reviews

34 reviews
4.9
Collectors
Investors
“A finalist in the first series of this year’s BrickLink Designer Program, the Mountain Fortress is poised to become the crown jewel of this round of offerings. This Black Falcons stronghold is packed with details, making it both extremely playable and a fantastic display... More piece.”
Full review at www.tipsandbricks.co.uk
“In short, if you are a fan of Castle and you have the budget, this big castle should please you. It's up to you whether you consider this as a MOC dubbed by the brand or a real official LEGO set, I always tend to put these products in the first category personally, but in... More all cases this snowy fortress is successful and coherent. with the set 10305 Lion Knights' Castle , while offering a nice and high-level building experience.”
Full review at www.hellobricks.com

About BrickLink Designer Program Series 1

The Bricklink Designer Program Series 1 sets were available for pre-order starting at 8am (PST) on 7 February 2024, with a commitment that any set receiving at least 3,000 orders would go into production, and a cap of 30,000 units for each set, an increase from the initially announced 20,000. The new LEGO Series 1 BrickLink Designer Program sets include the Mountain Fortress by SleeplessNight, Parisian Street by NicolasCarlier, The Old Train Engine Shed by Mind_the_Brick, General Store – Wild West by llucky, and The Snack Shack by Skeletuhr.

Designer Program Series 1 was introduced in 2024 and currently consists of 5 sets. As of today, 910029 Mountain Fortress is the most valuable Designer Program Series 1 set with an estimated new/factory sealed value of $600.
Summary
BrickLink Designer Program Series 1 Mountain Fortress set 910029 was released on February 7, 2024, retailing for $380, it has since been retired. New, unopened sets are valued at $600, while used sets sell around $487.
Read more
"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©