LEGO Lost City
Set #910042 · 2025 · 3,506 pieces · Epic build
Set Details
- Set Number
- 910042
- Name
- Lost City
- Theme
- BrickLink Designer Program
- Year
- 2025
- Pieces
- 3,506
- Complexity
- Epic
- Build Time
- 16+ hours
- Ages
- 18+
- Type
- Great for display
About LEGO Lost City
LEGO Lost City (set #910042) is one of the larger LEGO sets, requiring dedication and space with 3,506 pieces from the BrickLink Designer Program theme, released in 2025. The BrickLink Designer Program line features limited-edition fan-designed sets produced through BrickLink. Designed primarily for older teens and adults, this set is built for display with an estimated build time of 16+ hours.
Finding Instructions
With 3,506 pieces, set #910042 comes with a thick instruction booklet — often split into multiple numbered bags and build stages. The official PDF is available free on LEGO.com, or use LegoFinder's AI to find it instantly from a photo.
Lost City FAQ
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