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Set 70831 Emmet's Dream House / Rescue Rocket!
The LEGO Movie II

Emmet's Dream House / Rescue Rocket!

Set 70831 is from The LEGO Movie 2 and works as a two-in-one build: Emmet's colourful dream house folds out into a rescue rocket. With 706 pieces, 4 minifigures and 175 distinct elements, there's a genuinely engineered transformation mechanism behind the playful theme.

Set number
70831
Year
2019
Pieces
706
Minifigures
4
Theme
The LEGO Movie II
Different parts
175
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 175

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 (25)

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

Minifigures 4

Alternative models

Fan models by Rebrickable users that you can build (mostly) from this set’s parts. Instructions are available from the designers.

All 2 ideas at Rebrickable ↗

What can I build with it?

Description

One model, two shapes

The real trick of this set is the switch from house to rocket: walls and roof sections fold outward so the cosy home becomes a flying rocket in a few moves. That's more demanding than a plain vehicle or building set, since the hinges and folding joints have to stay sturdy in both configurations and hold together under repeated handling. For fans of transforming sets, that's exactly the appeal, you're not just building one model, you're building a mechanism you can flip back and forth as many times as you like without parts falling loose.

Yellow and blue as the signature colours

The palette of yellow, blue, dark bluish grey and light bluish grey gives the set its typical LEGO Movie look: bold yellow and blue dominate both the house and the rocket, while the greys handle structural details, windows and technical framing. That clear colour split makes the model easy to read at a glance and fits the comic-style visuals of the film it's based on, rather than aiming for a realistic building or rocket design.

Four minifigures for the story

With 4 minifigures, the set has enough characters to actually play out the scene around the house and rocket rather than just display a static model, which matches how strongly LEGO Movie sets lean on story and character over pure building technique. The 175 different elements are spread not only across the transforming structure but also across accessories and details for the figures, from small tools to bits of furniture.

Part variety for a transforming build

175 different elements across 706 pieces is a moderate figure that suits a set built around a transformation mechanism: enough specialised pieces for hinges and moving sections without the parts list becoming unwieldy. If you're buying the set second-hand or need to replace a piece, the full breakdown of colours and quantities on this page makes it easy to check exactly what the transforming mechanism relies on.

FAQ

What makes set 70831 different from a regular building set?
It's a two-in-one build: Emmet's Dream House folds out into a Rescue Rocket.
How many minifigures are included?
The set comes with 4 minifigures for the scene around the house and rocket.
What colours define the set?
Bold yellow and blue dominate, with dark bluish grey and light bluish grey used for technical detailing.

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