LEGO® NINJAGO 71846 The Fire Knight Mech

Current best price

LEGO 71846 is currently available from $137.94 incl. shipping at Amazon.com. Only one retailer in our comparison stocks it.

Updated November 1, 2026 at 6:36 PM EST

LEGO 71846 price comparison: where is it cheapest?

Prices incl. shipping to the US ·

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information
The Lego set The Fire Knight Mech with the set number 71846 is part of the LEGO NINJAGO theme and is recommended for ages 14+. It was released in June 2025. It includes 2 minifigures. The model has 996 pieces, and we estimate it takes around 2 - 3 hours to build. 62 Brickfact users have this set in their collection.
The set weighs about 1.605 kg. The box measures 35.4 x 37.8 x 9.4 cm. The recommended retail price is $119.99.
Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Amazon.com for $137.94 including shipping. That is $0.14 per piece. Unfortunately, the set is currently not available below its recommended retail price.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $185.68. You save around $47.74 if you buy the complete set at Amazon.com instead of the individual parts on bricklink.com. The current best offer therefore has a POV rate of 1.35: the Part-Out-Value divided by the current best price on Brickfact.

Lego 71846 product data

Set Information

Set ID
71846
Theme
Pieces
996
Building Time
2 - 3 hours
Age Range
14+
Minifigures
2

Availability

Release
06/2025
Retiring Status
Retiring Soon (12/2026)

Price Information

RRP
$119.99
Insiders Points (for purchase at Lego)
780
Part Out Value
$185.68

Packaging

Weight
1.605 kg
EAN (GTIN13)
5702017815794

Popularity with Brickfact users

users have this set
62
buyers in the last 12 months
51

62 Brickfact users have The Fire Knight Mech in their collection. 51 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 1, 2026.

LEGO 71846 market value

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
$96.10
Market value vs. RRP
−19.9 % $119.99
Range
$90.38 – $97.97
Average
$92.78

Loading price history…

Minifigures from 71846 The Fire Knight Mech

The The Fire Knight Mech set includes 2 different minifigures, 2 of which are unique to this set. The combined value of the minifigures is $34.57, which is ~29% of the RRP of this set.
x1
Thumbnail of minifigure njo0990
Kai - Master of Fire
NINJAGO
time-logo
2025
#njo0990
$29.58
i
Unique
x1
Thumbnail of minifigure njo0991
Fisherman - Sand Green Tunic, Medium Nougat Hair, Conical Hat on Back
NINJAGO
time-logo
2025
#njo0991
$4.99
Unique

Official Set Description for LEGO 71846 The Fire Knight Mech

Older NINJAGO® fans aged 14 and up can add to their collection of LEGO® NINJAGO models with this stunning and highly detailed The Fire Knight Mech (71846) building kit. It features a dramatic scene of a cape-wearing, spear-holding mech locked in battle with an ancient monster emerging from the sea, and it will look great on display in a bedroom.

Ninja fans can also remove the model from its base to recreate stories from the NINJAGO Legends Monstrosity series. The mech has posable features and the sea monster has movable tentacles. The model also comes with 2 NINJAGO minifigures: Kai with a magical sword, who can be placed inside the mech’s chest, and a fisherman with a paddle in a boat.

The rest of the LEGO NINJAGO range of sets (sold separately) includes dragons, vehicles and temples for fans to role-play adventures with their heroes. Each ninja playset can be created with the LEGO Builder app, which guides you on an easy and intuitive building adventure. Set contains 996 pieces.

  • NINJAGO® mech model – Older NINJAGO fans can add to their collection of LEGO® NINJAGO models with this highly detailed The Fire Knight Mech
  • Ninja display set – This dramatic scene depicting The Fire Knight Mech with a cape and spear locked in abattle with an ancient monster emerging from the sea can be displayed in your room
  • Interactive model – Ninja fans can remove the model from its base to stage stories from the NINJAGO® Legends Monstrosity series between the posable mech and a monster with movable tentacles
  • 2 NINJAGO® minifigures – The model also includes ninja Kai with a blade, who can sit inside the mech’s chest, and a fisherman with a paddle in a boat to inspire extra storytelling
  • Premium gift for NINJAGO® fans – This modelis a high-quality gift idea for fans of NINJAGO Legends Monstrosity who want to showcase their fandom
  • A fun way to build – Let the LEGO® Builder app guide kids on an intuitive building adventure, where they can save sets, track progress and zoom in and rotate models in 3D while they build
  • A universe of ninja toys – LEGO® NINJAGO® sets let kids escape into a fantasy world of adventures with their ninja heroes
  • Measurements – The mech in this 996-piece building set stands over 15.5 in. (40 cm) tall when posed on the display stand with its spear

Building Instruction for LEGO 71846 The Fire Knight Mech

LEGO 71846 Frequently Asked Questions

How much does LEGO 71846 The Fire Knight Mech cost?
The lowest price in the Brickfact price comparison is currently $137.94 incl. shipping at Amazon.com. The RRP is $119.99.
Where can I buy LEGO 71846 cheapest?
Only one retailer in the Brickfact price comparison currently stocks LEGO 71846: Amazon.com ($137.94).
Is LEGO 71846 still available?
Yes, but LEGO 71846 is retiring soon. It is still available at 1 retailers in our price comparison.

All LEGO NINJAGO sets from 2025

Disclaimer

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers.

LEGO® is a trademark of the LEGO Group, but this website is not sponsored, authorized or endorsed by them.
As an Amazon partner, we earn money on qualified sales that you make through links to Amazon on our website. The price for you remains the same, but you support this project ❤️ .
© 2026 Brickfact. All Rights Reserved