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Set 71870 The Twin Titan Mechs
Ninjago

LEGO® The Twin Titan Mechs

Two large battle mechs are the centrepiece of this Ninjago set, built from 1,708 pieces and including three minifigures. 421 unique parts go into the pair of robots, all listed in full further down this page.

Set number
71870
Year
2026
Pieces
1,708
Minifigures
3
Theme
Ninjago
Different parts
421
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 421

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 (31)

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

Minifigures 3

Description

Two mechs for one duel

Large battle mechs are a recurring feature of the Ninjago theme, usually built with poseable joints at the arms and legs so the figures can strike dynamic stances. This set pairs two such titan mechs against each other, leaving room for a proper duel scene rather than just a single robot to display. That two-mech format is unusual for the range and makes the set well suited to play scenes involving two builders or two characters at once, each piloting their own machine.

Colours, parts and pilots

Black, light bluish grey, dark bluish grey and white define the look, giving both mechs a tough, mechanical finish that suits their role as battle machines. With 421 unique parts, the level of detail is high, particularly around the joints, weapons and armour panels of the two robots. Three minifigures come with the set and can be seated in the mech cockpits or posed in front of them for a wider play scene, adding a story angle beyond simply displaying the finished models.

Building two models

Because two separate mechs are built, the process splits naturally into two stages, which also makes the set a good choice for two people building together. At 1,708 pieces, there is still enough substance for detailed joints and articulated sections across both robots despite the split. Anyone who has built other Ninjago mechs before will recognise familiar techniques here, combined with the distinctive elements of the titan-scale range and a noticeably higher overall complexity than a single-mech set offers.

Using the parts list on this page

The full parts list for 71870-1, all 1,708 pieces sorted by colour and category, is below on this page. It is useful for reordering individual bricks after a loss or matching greys and blacks for another mech or robot project, without having to search back through the full building instructions. It also helps when splitting the parts between two people building the mechs side by side, since so many of the shades are shared between both robots.

FAQ

How many pieces does 71870-1 have?
The set has 1,708 pieces, including 421 unique parts.
How many minifigures are included?
Three minifigures come with the set.
Does the set include two mechs?
Yes, it includes two separate battle mechs that can be posed facing each other.

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