LEGO 71870 The Twin Titan Mechs
LEGO 71870 The Twin Titan Mechs brings a large dual-mech battle build into the NINJAGO Legends lineup, giving fans two highly posable action figures designed for both play and display. With 1,707 pieces, this set is aimed at older NINJAGO fans, mech collectors, display builders, and anyone who enjoys dramatic character-based builds with strong posing options.
The set includes two battle-ready titan mechs inspired by the NINJAGO Legends storyline Duskfall. Each mech has a cockpit for a minifigure, movable body sections, and interchangeable weapons and arms, allowing builders to create different battle combinations. The set also includes a display stand that lets one mech be posed in midair, adding extra motion and drama to the finished scene.
LEGO 71870 The Twin Titan Mechs – Quick Facts
| Set number | 71870 |
| Set name | The Twin Titan Mechs |
| Theme | NINJAGO |
| Subtheme | NINJAGO Legends |
| Pieces | 1,707 |
| Age recommendation | 12+ |
| Availability | Listed for 2026, with regional availability varying |
| Main models | Two highly posable titan mechs |
| Main features | Cockpits, movable heads, necks, shoulders, legs, knees and ankles, interchangeable weapons and arms, and display stand |
| Minifigures | 3 minifigures: Oni Warrior, pilot-suited Kai, and pilot-suited Nya |
| Character option | Kai and Nya faces can be swapped to turn them into Jin and Mira |
A Dual-Mech NINJAGO Display With Real Action Energy
The strongest appeal of LEGO 71870 The Twin Titan Mechs is the twin-build format. Instead of giving builders one large mech and a small enemy, this set focuses on two major action figures that can stand together, face each other, or be posed as part of one larger battle scene. That makes the model feel more complete as a display piece and more flexible for storytelling.
NINJAGO mech sets often work best when they combine bold character design with strong movement. This set is built around that idea. The two mechs are not only meant to look powerful; they are designed to be adjusted, posed, and reconfigured. That gives builders more control over the final scene and makes the set more useful after the first build is finished.
What Makes The Twin Titan Mechs Interesting?
The main feature is the pair of highly posable mech action figures. Each mech includes a cockpit for a minifigure, allowing Kai, Nya, Jin, or Mira to pilot the machines during battle scenes. This gives the mechs a clear role inside the story rather than making them feel like empty display models.
The movable heads, necks, shoulders, legs, knees, and ankles are especially important. Mechs need strong posing options to look alive on a shelf. A straight standing pose can look impressive, but angled legs, raised weapons, tilted heads, and action stances can make the same model feel much more dramatic.
The interchangeable weapons and arms add even more play value. Builders can swap parts between the two mechs to create new combinations, which makes the models feel more customizable. That is a smart feature for a set focused on twin machines, because it encourages experimentation instead of locking each mech into one fixed look.
Dynamic Display Stand
The display stand is one of the most useful parts of the set because it changes how the mechs can be presented. After building the figures, builders can attach one mech to the stand to create a midair pose. That immediately makes the scene feel more active, as if one mech is jumping, flying, attacking, or launching into battle.
This is a strong choice for display builders. Large action figures can sometimes look heavy or static when both feet stay flat on the shelf. A stand helps break that pattern and gives the model a more cinematic feeling. It also creates a natural height difference between the two mechs, which makes the display composition more interesting.
The ability to detach the models from the stand also keeps the set flexible. Builders can use the stand for a shelf display, then remove the mechs for hands-on play, posing, or custom scenes.
Characters and Storytelling
The set includes 3 minifigures: an Oni Warrior, pilot-suited Kai, and pilot-suited Nya. That selection gives the model a clear hero-versus-villain structure, especially for fans following the NINJAGO Legends storyline.
The face-swapping option is a clever detail. By switching the faces of Kai and Nya, builders can turn them into Jin and Mira. This gives the set more character flexibility and helps it connect to different story possibilities without needing extra minifigures.
For play, the minifigures can sit inside the mech cockpits, stand around the display base, or be posed in direct battle with the Oni Warrior. For collectors, the figures help anchor the set in the Duskfall storyline and make the mechs feel more connected to the wider NINJAGO universe.
Builder’s Perspective
From a builder’s point of view, LEGO 71870 The Twin Titan Mechs is interesting because it combines symmetry, variation, and poseability. Building two mechs in one set can easily become repetitive, so the best dual-mech models need enough shared design language to feel connected, but enough differences to make each one feel distinct.
The interchangeable arms and weapons help solve that challenge. They allow the two builds to feel like part of the same system while still giving builders room to customize. That makes the set more engaging for anyone who enjoys modifying official designs or creating alternate battle setups.
The posing system is also important. A good mech build needs strong joints, balanced proportions, and enough articulation to hold expressive poses. For custom builders, this set can be useful as a study in how to create large humanoid machines that are both displayable and playable.
Display and MOC Ideas
The Twin Titan Mechs would work well as a dramatic shelf display with one mech grounded and the other attached to the stand in a midair attack pose. That setup creates instant action and shows off the main display feature of the set.
For a larger custom scene, builders could create a NINJAGO battlefield around the mechs. Broken stone, cracked ground, energy effects, banners, weapons, temple ruins, or dark terrain could all help frame the battle without overpowering the figures. The Oni Warrior can be placed near the base as the central enemy, while the heroes pilot the mechs above the action.
The set can also inspire original mech builds. Builders could study the cockpit layout, joint structure, limb proportions, armor shaping, and weapon-swapping system, then use those ideas to design their own titan-scale machines. If you enjoy creating custom scenes, you can explore more building inspiration in our Ideas section, browse free building instructions, or visit our Alternative Builds section for more rebuilding concepts.
Final Thoughts
LEGO 71870 The Twin Titan Mechs looks like a strong NINJAGO Legends release because it gives builders two large action figures with meaningful display and play options. The twin mech format, cockpit seating, movable joints, interchangeable weapons and arms, display stand, and 3 minifigures all support the same action-focused idea.
The biggest strength of the set is flexibility. Builders can pose the mechs together, display one in midair, swap weapons, change character identities, or use the models as the center of a larger NINJAGO battle scene. For mech fans, NINJAGO collectors, older builders, and MOC creators who enjoy large poseable action builds, The Twin Titan Mechs offers a lot of creative potential.
FAQ
How many pieces are in LEGO 71870 The Twin Titan Mechs?
The set includes 1,707 pieces.
What age is the set recommended for?
The set is recommended for builders aged 12+.
What is the main build?
The main build includes two highly posable titan mechs inspired by the NINJAGO Legends storyline Duskfall.
Do the mechs include cockpits?
Yes. Each mech has a cockpit that can hold a minifigure.
What poseable features are included?
The mechs include movable heads, necks, shoulders, legs, knees, and ankles for different action poses.
Can the weapons and arms be changed?
Yes. The weapons and arms can be swapped between the mechs to create different battle combinations.
Does the set include a display stand?
Yes. The set includes a stand that lets one mech be displayed in a midair pose.
Which minifigures are included?
The set includes 3 minifigures: Oni Warrior, pilot-suited Kai, and pilot-suited Nya. Kai and Nya’s faces can also be swapped to turn them into Jin and Mira.
Who is this set best for?
This set is best for NINJAGO fans, mech collectors, older builders, display builders, and custom creators who enjoy large poseable battle models with strong play and display options.
