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71870 LEGO Ninjago Legends The Twin Titan Mechs thumbnail image

71870 LEGO Ninjago Legends The Twin Titan Mechs
Images 6Description 
71870 LEGO Ninjago Legends The Twin Titan Mechs
  • The Twin Titan Mechs thumbnail
  • The Twin Titan Mechs thumbnail
  • The Twin Titan Mechs thumbnail
  • The Twin Titan Mechs thumbnail
  • The Twin Titan Mechs thumbnail
  • The Twin Titan Mechs thumbnail

LEGO 71870 The Twin Titan Mechs is a Ninjago set currently available at retail for $139.99 and is projected to retire at the end of 2027. Current new-sealed secondary market prices range from $150 to $211, with the average above MSRP at $151. The Oni Warrior minifigure is exclusive to this set and is the most sought-after in the lineup. Right now the market for it leans upward, on the back of climbing member interest as well as shrinking stock at LEGO or Amazon.

Forecast Model

This shows the set's value since release and where our forecast expects it to go.
LEGO 71870 The Twin Titan Mechs is a Ninjago Legends set released in 2026, containing 1,707 pieces and 3 minifigures. The set includes two large posable mech figures with articulated heads, necks, shoulders, knees, legs, and ankles, along with a display stand designed for midair poses. It is based on the NINJAGO Legends storyline Duskfall and features interchangeable weapons and arms for customizing the two mechs. The minifigure lineup includes Kai, Nya, and an Oni Warrior, with reversible Kai and Nya faces that can be switched to represent Jin and Mira.

After its expected retirement in 2027, our forecast looks for a pop of roughly 16%, taking it to about $190 over five years.
All regions

For Sale (New/Sealed)

This chart shows the sales listing trends of 71870 The Twin Titan Mechs.
 (US) NINJAGO The Twin Titan Mechs - Building Set 71870 - Brand New In Box
BrickEconomy Choice
$138.83
(US) - NINJAGO The Twin Titan Mechs 71870 $139.99
(US) Official LEGO The Twin Titan Mechs
Out of stock
$139.99
(US) The Twin Titan Mechs from BrickLink seller Ronjonpersaud $134.99
-3.6%
(US) NINJAGO The Twin Titan Mechs - Building Set 71870 - Brand New In Box $149.99
+7.1%
(CA) Ninjago The Twin Titan Mechs (1707 Pieces) 71870 2026 $167.45
+19.6%
(US) Ninjago Twin Titan Mechs 71870 $169.99
+21.4%
(NL) 71870 The Twin Titan Mechs - [ New. ] $170.76
+22.0%
(US) The Twin Titan Mechs from BrickLink seller cherrybricker $180.00
+28.6%
(US) The Twin Titan Mechs from BrickLink seller BalancedLife $189.00
+35.0%
(AU) 71870 The Twin Titan Mechs - NINJAGO - New Sealed - AU $195.27
+39.5%
(US) NINJAGO The Twin Titan Mechs 71870 Building Toy Set 3 Minifigures New Gift $206.99
+47.9%
(US) NINJAGO Twin Titan Mechs 71870 Building Set $209.99
+50.0%
(KR) NINJAGO 71870 Twin Titan Mech Robot Building Set $225.99
+61.4%
Picked for your regionShow 2 more listings

Market Momentum

Bullish
As retirement gets closer, this set is selling close to retail and member demand is rising, so momentum is trending up.
DemandUpper half in Ninjago
High demand and rising
12 months agoToday
Listings and stockLast 19 days
Out of stock in US
US
GB
CA
AU
Price vs retailLast 21 days
7% above retail
Lowest new price at eBay
Outlook:7% bearish·0% neutral·93% bullish
Why it's moving, signals and outlook

The Twin Titan Mechs Minifigs

The Twin Titan Mechs contains 3 minifigures. All 3 minifigs are exclusive to this set.
njo1084
Jin
Jin wearing a Twin Titan Mech Suit - njo1084
Exclusive
Value $24.49
njo1085
Mira
Mira wearing a Twin Titan Mech Suit - njo1085
Exclusive
Value $25.64
njo1087
Oni Warrior
Oni Warrior with a blue violet torso and reddish brown legs - njo1087
Exclusive
Value $34.51

Compared with other Legends sets

The Twin Titan Mechs gives the most pieces for the money at retail among the Legends sets, has more pieces than most of the group and sits near the bottom of the group's sets still at retail for member adds.

$0.08 a piece
Retail price per piece
This set
$0.08
Typical
$0.09
About 10% below the group's typical retail price per piece.
#5 of 5 still at retail
Members adding it, past 4 months
This set
Typical
Close to the rate of the group's sets still at retail.
All Legends setsValueSince retail
71872 Ultra Dragon Battle$200At retail
71847 The Guardian Dragon$150At retail
71870 The Twin Titan Mechs$140At retail
71846 The Fire Knight Mech$120At retail
71871 Battle at the Dragon’s Blade$103At retail

Sets in Ninjago / Legends

71872 Ultra Dragon Battle

Theme / Subtheme Ninjago / Legends
Year 2026
Pieces / Minifigs 2,178 / 4
Availability Retail
71872 LEGO Ninjago Legends Ultra Dragon Battle
Retail $199.99
Available at retail

71847 The Guardian Dragon

Theme / Subtheme Ninjago / Legends
Year 2025
Pieces / Minifigs 1,650 / 1
Availability Retail (Retiring soon)
71847 LEGO Ninjago Legends The Guardian Dragon
Retail $149.99
Available at retail
Retiring soon

71871 Battle at the Dragon’s Blade

Theme / Subtheme Ninjago / Legends
Year 2026
Pieces / Minifigs 1,016 / 4
Availability Retail
71871 LEGO Ninjago Legends Battle at the Dragon’s Blade
Retail $99.99
Available at retail

71846 The Fire Knight Mech

Theme / Subtheme Ninjago / Legends
Year 2025
Pieces / Minifigs 996 / 2
Availability Retail (Retiring soon)
71846 LEGO Ninjago Legends The Fire Knight Mech
Retail $119.99
Available at retail
Retiring soon

The Twin Titan Mechs Questions

What is LEGO 71870 The Twin Titan Mechs worth?

Right now, The Twin Titan Mechs is valued at $151 new. Used copies are worth about $116.

Can you still buy LEGO 71870 The Twin Titan Mechs new?

Yes. The Twin Titan Mechs has been on store shelves since August 2026 and is still available. LEGO has not announced a retirement date. Similar sets suggest it will retire around the end of 2027.

How does the value of LEGO 71870 The Twin Titan Mechs compare with its retail price?

At $151, The Twin Titan Mechs sits 7% above retail ($139.99).

How much could LEGO 71870 The Twin Titan Mechs be worth in a year?

Next year's forecast for The Twin Titan Mechs is $140, about 7% less than today. That is the year-ahead picture. In the short term, though, the market reads bullish. On balance, demand, supply and price point up. This is an estimate and markets can change.

What comes in LEGO 71870 The Twin Titan Mechs?

The Twin Titan Mechs has 1,707 pieces, about $0.08 each at retail, and 3 minifigures: Jin, Mira and Oni Warrior. Together the minifigures are worth about $85, about 56% of the set's value, and Oni Warrior is the most valuable at $35. Every one of them is exclusive to this set.

Top lists

My Collection

The Twin Titan Mechs Reviews

16 reviews
4.8
Collectors
Investors
“The two impressive looking mechs have shades of EXO-FORCE, with plenty of gadgetry on each. They are designed to be very posable so that they can be displayed in midair stances. There’s a display stand to place them on if you so desire. 71870 The Twin Titan Mechs builds two... More action figures that the LEGO Group promises are for ‘boys, girls and fans’ – then also goes on to mention that they are for ‘teens’! Perhaps they are for anyone who likes NINJAGO?”
Full review at blocksmag.com

About Ninjago Legends

LEGO Ninjago, also known as Ninjago: Masters of Spinjitzu, theme was introduced in 2011 and included sets that are based off of original storylines, a TV series and The LEGO Ninjago Movie, a movie based on the theme. The main premise of the Ninjago universe is based around six teenage Ninja, Kai, Jay, Cole, Zane, Nya, and Lloyd, who have been trained by their master Sensei Wu, fighting forces of evil to protect the land of Ninjago.

Legends was introduced in 2025 and currently consists of 5 sets.
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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 mechs 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 fans 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...
Description provided by LEGO©