BricksValue

LEGO The Fire Knight Mech (71846)

NINJAGO · 996 pieces · 2 minifigures

From $149.98 at Amazon.ca

Retiring by December 31, 2026 (70 days left) · How we estimate

LEGO The Fire Knight Mech (71846)
1 / 9

Compare prices (Canada)

Regular price $149.99

See it at Amazon.ca, $149.98

Last chance: New copies of retired sets tend to get scarcer and pricier.

. Amazon offers can be third-party (marked).

Also retiring soon in NINJAGO

Price history

Lowest price today
$149.98
at Amazon.ca
Lowest we’ve recorded
$129.99
Best Buy, Oct 10, 2026
LEGO’s regular price
$149.99
Tracked since
Oct 8, 2026
3 price changes since
Price records (9)
  • October 13, 2026 · Raoul Chagnon$149.99
  • October 12, 2026 · Amazon.ca$149.98
  • October 12, 2026 · Best Buyout of stock$129.99
  • October 11, 2026 · Amazon.ca$129.99
  • October 11, 2026 · The Discovery Hutout of stock$149.99
  • October 10, 2026 · Best Buy$129.99
  • October 10, 2026 · Walmart$149.98
  • October 9, 2026 · Amazon.ca$149.98
  • October 8, 2026 · LEGO.com Canadaout of stock$149.99

Prices at LEGO.com Canada, Amazon.ca, Walmart, Best Buy, Canadian Tire, Indigo, Mastermind Toys, The Discovery Hut, Costco, Toymasters, Minds Alive, Kaboodles, Brault & Bouthillier, Little Canadian, Galerie du jouet and Raoul Chagnon, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO The Fire Knight Mech 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 CAD
Show all 13 countries

Exchange rates of October 22, 2026.

Resale value

What the LEGO The Fire Knight Mech actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

$186.64

Median of 12 sales (worldwide), from $126.31 to $189.44

+24% vs LEGO’s regular price ($149.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update October 23, 2026). Sold in US dollars, shown in Canadian Dollar at the ECB rate of October 22, 2026. Few sales mean a less reliable figure.

Set details

Pieces
996
Minifigures
2
Ages
14+
Released
2025
Set number
71846
Theme
NINJAGO
Price per piece
15.1¢at today’s lowest price
LEGO.com rating
4.8

LEGO The Fire Knight Mech 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 Fire Knight Mech parts list

987 pieces in 298 different parts and colors, plus 2 minifigures.

Minifigures

  • FishermanFisherman
  • Kai (Master of Fire)Kai (Master of Fire)
  • Plate 1 x 2, Dark Bluish Gray×323023
  • Plate 2 x 2, Dark Orange×243022
  • Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud, Dark Red×1828192
  • Plate 1 x 2, Pearl Gold×163023
  • Plate Special 1 x 2 with Clip Horizontal on End, Red×1663868
  • Brick Wedged, Sloped 4 x 4 Pointed, Dark Red×1422391

Parts list: Rebrickable.

About the LEGO 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 10.2 in. (26 cm) tall when posed on the display stand with its spear

Description: LEGO.com.

LEGO The Fire Knight Mech: FAQ

Is the LEGO The Fire Knight Mech retiring?

Yes: the LEGO The Fire Knight Mech is retiring soon. LEGO flags it “Retiring soon” on LEGO.com Canada (it already carried the flag when we started tracking on October 8, 2026). Expect it to be gone by December 31, 2026 at the latest (70 days), possibly sooner once stock runs out. It is sold out on LEGO.com Canada right now, often the last step before a set disappears. LEGO doesn’t publish exact dates: this one is our estimate.

How much is the LEGO The Fire Knight Mech?

The lowest price we found today is $149.98 at Amazon.ca, out of 3 stores selling it today (regular price $149.99). Prices change often: this page is updated every day.

Should I buy the LEGO The Fire Knight Mech now or wait?

Sold out on LEGO.com Canada and retiring soon. It’s already sold out on LEGO.com Canada, and LEGO is retiring it (we expect it gone by December 31, 2026). The best price today is $149.98 at Amazon.ca, just under LEGO’s regular price of $149.99. New copies of retired sets tend to get scarcer and pricier.

Where can I find the instructions for the LEGO The Fire Knight Mech?

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

How many pieces are in the LEGO The Fire Knight Mech (71846)?

996 pieces and 2 minifigures. At today’s price, that’s 15.1¢ per piece.

When was the LEGO The Fire Knight Mech released?

It was released in 2025.

What is the LEGO The Fire Knight Mech worth?

New, it sold for $186.64 on BrickLink (median of 12 sales in the last 6 months, worldwide). LEGO’s regular price is $149.99.

More NINJAGO sets

LEGO The Dragon of Life (71859)

71859 · 1,050 pieces

The Dragon of Life

$128.99$139.99-8%

at Amazon.ca12.3¢/pc

LEGO Battle at the Dragon's Blade (71871)

71871 · 1,016 pieces

Battle at the Dragon's Blade

$139.98

at Walmart13.8¢/pc

LEGO Lloyd's Titan Mech 15th Anniversary (71860)

71860 · 1,293 pieces

Lloyd's Titan Mech 15th Anniversary

$158.98$169.99-6%

at Amazon.ca12.3¢/pc

LEGO Arc Dragon of Focus (71836)

71836 · 869 pieces

Arc Dragon of Focus

Retiring by Dec 31

$129.86

at Amazon.ca14.9¢/pc

LEGO Lloyd’s Jet Mech (71845)

71845 · 1,112 pieces

Lloyd’s Jet Mech

$129.99

at The Discovery Hut11.7¢/pc

LEGO Wyldfyre's Transforming Dragon Mech (71868)

71868 · 821 pieces

Wyldfyre's Transforming Dragon Mech

$129.96

at Amazon.ca15.8¢/pc

Today’s best LEGO deals

All deals