Mountain Fortress #910029 worth
Answered from real closed-sale prices · updated July 18, 2026
✦ JunkPal AI
The Mountain Fortress #910029 set is valued at $482.85 used according to the catalog data. Since the second item, LEGO Mountain Fortress (910029-1) (BrickLink Designer Program), is currently unpriced in the catalog, I cannot provide a specific value for it. For the best comparison, you can look at the live eBay listings shown on your screen to see current asking prices against the sold value of the first item.
Live on eBay right now — Mountain Fortress #910029
LEGO Mountain Fortress 910029 - Bricklink Designer Program - Series 1$552.7Buy ↗
LEGO Bricklink (910029) Mountain Fortress Castle-100% Complete With Box-Retired$684.39Buy ↗
LEGO - BrickLink Designer Program - Mountain Fortress 910029 - NEW and SEALED$550Buy ↗
LEGO 910029 Bricklink Designer Program Series 1 Mountain Fortress New Sealed Box$619.99Buy ↗
LEGO 910029 Mountain Fortress Bricklink Designer Program Series 1 Castle-Sealed$650Buy ↗
LEGO - BrickLink Designer Program - Mountain Fortress 910029 - NEW and SEALED$610Buy ↗People also ask
Values are informational estimates from real sales data. JunkPal may earn a commission when you buy through eBay links, at no extra cost to you.