Is Mountain View Observatory a fan design?

Yes, it originated in the BrickLink Designer Program and was manufactured by LEGO® in a limited run after a community vote.

Does the dome actually open?

The observatory has a moveable dome over the telescope area that opens to reveal the sky view inside.

How many unique parts does the set use?

655 unique parts and colours across a total of 3,876 pieces, with the full breakdown further down this page.

BrickLink Designer Program

Mountain View Observatory

Mountain View Observatory is a fan design from the BrickLink Designer Program, bringing a mountaintop observatory to a corner of the hobby that rarely gets this kind of build. With 3,876 pieces and 11 minifigures, it's a hillside structure with a dome that sits comfortably alongside a town layout without belonging to it. If you're after something other than another shop or café, this is a model built around a genuinely different setting.

Set number: 910027
Year: 2023
Pieces: 3,876
Minifigures: 11
Theme: BrickLink Designer Program
Different parts: 655

What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 655

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (106)

These extra parts come with the set in case one gets lost.

Minifigures 11

Baby, Dark Turquoise Body fig-0096552 pieces × 1
Light Bluish Grey Torso, Light Bluish Grey Legs, Dark Green Cap fig-0136494 pieces × 1
Green Torso, Medium Nougat Legs, Medium Nougat Hair fig-0136504 pieces × 1
Bright Light Blue Torso, Dark Blue Legs, Black Hair fig-0136514 pieces × 1
Medium Lavender Torso, White Legs, Bright Light Yellow Hair fig-0136524 pieces × 1
Dark Red Torso, Dark Purple Legs, Dark Orange Hair fig-0136534 pieces × 1
Medium Nougat Torso, Reddish Brown Legs, Dark Red Cap fig-0136544 pieces × 1
Kid - White Torso, Dark Green Legs, Dark Bluish Grey Beanie fig-0136554 pieces × 1
Kid - Bright Light Pink Torso, Medium Lavender Legs, Dark Orange Hair fig-0136564 pieces × 1
Space Suit Mannequin fig-0136825 pieces × 1
Astronaut Suit Mannequin fig-0136835 pieces × 1

Description

A dome on a mountainside

The model presents an observatory that appears to cling to a mountainside, complete with a dome, viewing platform and living quarters for the research team. Staggered levels and rock detailing at the base recreate the slope, giving the build a genuine sense of height rather than sitting flat like a street-level set. A moveable dome over the telescope area forms the functional centrepiece and opens to reveal the sky view inside. That combination sets the building well apart from the usual houses and shops found in town layouts.

From community pitch to limited set

Like other BrickLink Designer Program sets, Mountain View Observatory began as a community submission that went on to be manufactured by LEGO® in a limited run after a public vote. Mountain settings and observatories are exactly the kind of idea that rarely reaches the regular LEGO® lineup but finds a home through the fan programme. For collectors, that means a set with a clear identity of its own, sitting somewhere between a town build and a landscape diorama. If you're after an unusual subject, this fills a gap the official range doesn't really cover.

White, black and earth tones together

White and black form the observatory's core structure, with reddish brown and dark tan handling the rock face, timber cladding and surrounding slope. That mix of cool and warm tones deliberately sets the technical dome apart from its natural surroundings, keeping the building recognisable even from a distance. Inside, lighter tones contrast against the darker exterior, separating work spaces from living areas visually. For a diorama-style build with a landscape element, that colour choice offers more range than a typical street building.

655 unique parts packed with detail

3,876 pieces across 655 unique parts cover the building, the surrounding rock landscape and technical touches like the telescope. That level of part variety makes it one of the more varied BDP builds, with fewer long runs of identical steps than you might expect. The full parts list on this page breaks that variety down across architecture, landscape and technical elements, which helps when sourcing specific pieces. For a build spread over several sittings, that's plenty to keep things interesting.

FAQ

Is Mountain View Observatory a fan design?: Yes, it originated in the BrickLink Designer Program and was manufactured by LEGO® in a limited run after a community vote.
Does the dome actually open?: The observatory has a moveable dome over the telescope area that opens to reveal the sky view inside.
How many unique parts does the set use?: 655 unique parts and colours across a total of 3,876 pieces, with the full breakdown further down this page.