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LEGO The Twin Titan Mechs (71870)

NINJAGO · 1,707 pieces · 3 minifigures

From $139.99 at Barnes & Noble

Not retiring yet (on sale since 2026)

LEGO The Twin Titan Mechs (71870)
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Compare prices (US)

Regular price $139.99

See it at Barnes & Noble, $139.99

Wait: Black Friday is 36 days away.

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Price history

Lowest price today
$139.99
at Barnes & Noble
Lowest we’ve recorded
$139.99
LEGO.com, Sep 29, 2026
LEGO’s regular price
$139.99
Tracked since
Sep 29, 2026
4 price changes since
Price records (7)
  • October 20, 2026 · LEGO.comout of stock$139.99
  • October 14, 2026 · LEGO.com$139.99
  • October 11, 2026 · Best Buy$139.99
  • October 11, 2026 · Barnes & Noble$139.99
  • October 2, 2026 · LEGO.comout of stock$139.99
  • September 29, 2026 · Target$139.99
  • September 29, 2026 · LEGO.com$139.99

Prices at LEGO.com, Amazon, Walmart, Target, Best Buy, and Barnes & Noble, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO The Twin Titan Mechs in other countries

The lowest price today in each country where LEGO sells it, converted at the European Central Bank’s rate. Delivery across borders isn’t included: most stores only ship inside their own country.

CountryLowest priceIn USD
Show all 13 countries

Exchange rates of October 22, 2026.

Resale value

What the LEGO The Twin Titan Mechs actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

$107.82

Median of 14 sales (worldwide), from $100.08 to $128.94

-23% vs LEGO’s regular price ($139.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update October 23, 2026). Few sales mean a less reliable figure.

Set details

Pieces
1,707
Minifigures
3
Ages
12+
Released
2026
Set number
71870
Theme
NINJAGO
Price per piece
8.2¢at today’s lowest price
LEGO.com rating
4.8

LEGO The Twin Titan Mechs building instructions

Official instructions from LEGO.com, free to download. The LEGO Builder app has them too, many with 3D steps. All instructions on LEGO.com

LEGO The Twin Titan Mechs parts list

1,692 pieces in 421 different parts and colors, plus 3 minifigures.

Minifigures

  • Jin, Pearl Titanium SuitJin, Pearl Titanium Suit
  • Mira, Pearl Titanium SuitMira, Pearl Titanium Suit
  • Oni WarriorOni Warrior
  • Technic Pin with Friction Ridges Lengthwise with No Center Slots, Black×3061332
  • Bracket 1 x 1 - 1 x 2 Inverted, Light Bluish Gray×3073825
  • Bracket 1 x 2 - 2 x 2 Inverted, Dark Bluish Gray×2799207
  • Plate Special 1 x 2 Rounded with 2 Open Studs, Black×2135480
  • Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction, Dark Bluish Gray×2047455
  • Plate Special 1 x 2 Rounded with 2 Open Studs, Dark Tan×1835480

Parts list: Rebrickable.

About the LEGO The Twin Titan Mechs

Boys, girls and fans ages 12 and up can expand their collection of LEGO® NINJAGO® models with The Twin Titan Mechs (71870), two dynamic and highly posable action figures. These battle-ready mechs offer teens endless play and display possibilities with adjustable features and a stand for creating midair poses. Detach the models from the display stand to recreate stories inspired by the new NINJAGO Legends storyline Duskfall. Place the ninja minifigures inside the mech cockpits and move the mech’s heads, necks, shoulders, knees, legs, and ankles, then swap the weapons and arms between them to create new, unique battle scenes. Switch around the faces of the Kai and Nya minifigures to turn them into new characters Jin and Mira and take on the Oni Warrior. These two heroes are the perfect addition to a fan’s collection of LEGO NINJAGO sets (sold separately). Explore more gift ideas from the range, including dragons, vehicles and temples for epic adventures. Set contains 1,707 pieces.
  • BUILD 2 MECH ACTION FIGURES – Fans ages 12 and up can recreate epic battle scenes with The Twin Titan Mechs (71870), a detailed building set based on the new NINJAGO® Legends storyline Duskfall
  • HIGHLY POSABLE MODELS – Each mech has a cockpit that holds a minifigure, plus movable features including head, neck, shoulders, legs, knees and ankles, and interchangeable weapons and arms
  • DYNAMIC DISPLAY – After assembling the figures, choose one to attach to a stand to create midair poses for display on a shelf, desk or bedside table
  • 3 LEGO® MINIFIGURES – Add to your collection with an Oni Warrior, plus pilot-suited Kai and Nya, whose faces can be swapped to turn them into Jin and Mira
  • GIFT IDEA FOR TEEN BOYS AND GIRLS – This ninja toy provides a rewarding, imaginative build and play experience for fans of the show
  • A FUN WAY TO CREATE – Let the LEGO® Builder app guide teens on an intuitive adventure, where they can save their creations, track progress and zoom in and rotate models in 3D while they build
  • EXPAND THE FUN – Fans can enter an immersive fantasy world for imaginative play with more toys (sold separately) from the LEGO® NINJAGO® universe
  • DIMENSIONS – This 1,707-piece set includes Kai’s titan mech and Nya’s titan mech,which both measure over 10 in. (26 cm) tall

Description: LEGO.com.

LEGO The Twin Titan Mechs: FAQ

Is the LEGO The Twin Titan Mechs retiring?

Not yet: the LEGO The Twin Titan Mechs isn’t flagged as retiring. LEGO.com doesn’t list it as “Retiring soon”. We check every day and will update this page the day that changes. It is temporarily out of stock on LEGO.com.

How much is the LEGO The Twin Titan Mechs?

The lowest price we found today is $139.99 at Barnes & Noble, out of 3 stores selling it today (regular price $139.99). Prices change often: this page is updated every day.

Should I buy the LEGO The Twin Titan Mechs now or wait?

Full price today: wait for a deal. The best price today is $139.99 at Barnes & Noble, LEGO’s regular price. Black Friday is 36 days away.

Where can I find the instructions for the LEGO The Twin Titan Mechs?

LEGO publishes them for free on LEGO.com as 2 PDF booklets, linked on this page, and in the LEGO Builder app.

How many pieces are in the LEGO The Twin Titan Mechs (71870)?

1,707 pieces and 3 minifigures. At today’s price, that’s 8.2¢ per piece.

When was the LEGO The Twin Titan Mechs released?

It was released in 2026.

What is the LEGO The Twin Titan Mechs worth?

New, it sold for $107.82 on BrickLink (median of 14 sales in the last 6 months, worldwide). LEGO’s regular price is $139.99.

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