Mountain Fortress
other • 3995 pcs
- Set number
- 910029-1
- Availability
- In production
- Pieces
- 3,995
- Original RRP
- $379.99
- Released
- 2024
- Theme
- Other
- Minifigures
- 9
- Barcode
- 5702017595290
Where to find one
Search for Mountain Fortress on the marketplaces collectors use.
Listings from external marketplaces. We may earn a commission on qualifying purchases.
Where it came from
The Mountain Fortress (set 910029-1) was released as part of the BrickLink Designer Program Series 1 in 2024. This program was established to give fan designers a platform to see their creations turned into official sets through a crowdfunding model, bridging the gap between independent community building and mass-produced kits. It serves as a modern evolution of the classic fortress aesthetic, focusing on intricate stonework and modular architecture.
The set was designed by the fan builder Sleepless Knight, who sought to capture the atmosphere of a classic fantasy stronghold while utilizing modern building techniques to achieve more complex textures and organic shaping. The design emphasizes display potential and nostalgia for golden-era castle themes. Upon its release, it was met with high demand from adult collectors who appreciated the return to traditional castle-themed architecture within a high-piece-count format.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real LEGO sets collectors on collecto.rs who have this in their public collection.
About Mountain Fortress
Mountain Fortress is a set in the LEGO Sets catalog on collecto.rs. Other • 3995 pcs. Catalog data is sourced from Brickset. No collectors on collecto.rs publicly track this set yet — adding yours would make you the first.
How many collectors track Mountain Fortress on collecto.rs?
Mountain Fortress doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Mountain Fortress?
Yes. collecto.rs is free — sign up to log your set, upload photos, record condition, edition, and acquisition cost, and connect with other LEGO sets collectors. Your collection stays private by default.
Where does the Mountain Fortress catalog entry come from?
The catalog entry for Mountain Fortress is sourced from Brickset. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is tracking LEGO sets free on collecto.rs?
Yes. Tracking your sets is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every set you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free





