Unleash the legendary Fire Knight with the LEGO NINJAGO Fire Knight Mech (71846) for teens, ages 14 and up. Builders construct an imposing armored warrior that rises from the waves to confront a tentacled sea monster in a scene straight from NINJAGO Legends Monstrosity. Teens can pose the mech and sea monster, place Kai with his magical sword inside the mech's chest chamber, and have the included fisherman witness the battle from his tiny boat. Once completed, this building toy transforms into room decor for avid NINJAGO fans. A cool gift idea for teenager boys and girls who love model building sets and NINJAGO. For an immersive building experience, the LEGO Builder app includes intuitive 3D instructions and more. Contains 996 pieces.
Unleash the legendary Fire Knight with the LEGO NINJAGO Fire Knight Mech (71846) for teens, ages 14 and up. Builders construct an imposing armored warrior that rises from the waves to confront a tentacled sea monster in a scene straight from NINJAGO Legends Monstrosity. Teens can pose the mech and sea monster, place Kai with his magical sword inside the mech's chest chamber, and have the included fisherman witness the battle from his tiny boat. Once completed, this building toy transforms into room decor for avid NINJAGO fans. A cool gift idea for teenager boys and girls who love model building sets and NINJAGO. For an immersive building experience, the LEGO Builder app includes intuitive 3D instructions and more. Contains 996 pieces.
LEGO NINJAGO The Fire Knight Mech 71846
Unleash the legendary Fire Knight with the LEGO NINJAGO Fire Knight Mech (71846) for teens, ages 14 and up. Builders construct an imposing armored warrior that rises from the waves to confront a tentacled sea monster in a scene straight from NINJAGO Legends Monstrosity. Teens can pose the mech and sea monster, place Kai with his magical sword inside the mech's chest chamber, and have the included fisherman witness the battle from his tiny boat. Once completed, this building toy transforms into room decor for avid NINJAGO fans. A cool gift idea for teenager boys and girls who love model building sets and NINJAGO. For an immersive building experience, the LEGO Builder app includes intuitive 3D instructions and more. Contains 996 pieces.
Unleash the legendary Fire Knight with the LEGO NINJAGO Fire Knight Mech (71846) for teens, ages 14 and up. Builders construct an imposing armored warrior that rises from the waves to confront a tentacled sea monster in a scene straight from NINJAGO Legends Monstrosity. Teens can pose the mech and sea monster, place Kai with his magical sword inside the mech's chest chamber, and have the included fisherman witness the battle from his tiny boat. Once completed, this building toy transforms into room decor for avid NINJAGO fans. A cool gift idea for teenager boys and girls who love model building sets and NINJAGO. For an immersive building experience, the LEGO Builder app includes intuitive 3D instructions and more. Contains 996 pieces.
in 45 offers
The lowest price for LEGO NINJAGO The Fire Knight Mech 71846 right now is $143.84 at Zatu Games, compared across 39 retailers.
The all-time low was $3.48 on 28 Oct 2026 — today's price is 4033% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 1 Nov 2026.
Last updated at 01/11/2026 11:37:40
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| Educational Focus | Engineering |
| Product Type | Building Set |
| Safety Warnings | Choking hazard, Choking hazard - small parts, Not suitable for children under 3 years old |
| Material Safety | Non Toxic |
| Batteries Included | No |
Lego Ninjago 71846 The Fire Knight Mech
Delivery between 7–11 Nov $34.10
Lego Fire Knight Mecca Construction Game Multicolor Kids
Delivery $28.99
LEGO The Fire Knight Mech 71846
Delivery $14
LEGO 71846 The Fire Knight Mech
LEGO Ninjago The Fire Knight Mech 71846
Delivery between 3–9 Nov $13.25
| Educational Focus | Engineering |
| Product Type | Building Set |
| Safety Warnings | Choking hazard, Choking hazard - small parts, Not suitable for children under 3 years old |
| Material Safety | Non Toxic |
| Batteries Included | No |
