The Fire Knight Mech (71846)
Available From
Price History
Description
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.
Features
- 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 10.2 in. (26 cm) tall when posed on the display stand with its spear
Frequently Asked Questions about The Fire Knight Mech
What is the best price for LEGO The Fire Knight Mech (Set 71846)?
The best current price for LEGO The Fire Knight Mech (Set #71846) is £82.99 at Amazon UK. This is £27.00 cheaper than the official LEGO RRP of £109.99. Price last verified on 21 January 2026.
How much can I save on LEGO The Fire Knight Mech?
You can save £27.00 (25% off) on LEGO The Fire Knight Mech by buying from Amazon UK instead of LEGO.com. The official RRP is £109.99, but you can get it for just £82.99. Browse more top discounts.
How many pieces are in LEGO set 71846?
LEGO The Fire Knight Mech (Set #71846) contains 996 pieces. At the best available price of £82.99, that works out to approximately 8.3p per piece.
What age is LEGO The Fire Knight Mech suitable for?
LEGO The Fire Knight Mech (Set #71846) is recommended for ages 14+. This set is part of the LEGO NINJAGO® theme. View all NINJAGO® sets and deals.
Where can I find the building instructions for LEGO The Fire Knight Mech?
You can download the official building instructions for LEGO The Fire Knight Mech (Set #71846) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.
Where can I buy LEGO The Fire Knight Mech in the UK?
Is LEGO The Fire Knight Mech on sale right now?
Yes! While not on sale at LEGO.com, you can get LEGO The Fire Knight Mech for £82.99 at Amazon UK - that's 25% below the official RRP of £109.99. Browse more best offers.
More NINJAGO® Sets
View all NINJAGO® →
NINJAGO®
Lloyd vs. Earth Monster Spinner (71850)
£8.99
0at Amazon UK
NINJAGO®
Nya vs. Mutation Monster Spinner (71849)
£8.99
0at Amazon UK
NINJAGO®
Kai's Dragon Mech Battle Pack (71851)
£8.99
0at Amazon UK
NINJAGO®
Kai's Elemental Fire Mech (71808)
£16.99
£24.99
32% off
at Amazon UK
NINJAGO®
Zane's Ultra Combiner Mech (71834)
£70.99
£89.99
21% off
at Amazon UK
NINJAGO®
Ninja Spinjitzu Temple (71831)
£34.99
0at Amazon UK