LEGO Kai's Elemental Fire Mech (71808)

NINJAGO · 322 pieces · 4 minifigures

From £19.50 at Amazon.co.uk · 22% off

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

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Compare prices (UK)

Regular price £24.99

See it at Amazon.co.uk, £19.50

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: £19.50; at Amazon.co.uk
Lowest we’ve recorded: £19.50; Amazon.co.uk, 10 Oct 2026
LEGO’s regular price: £24.99; today’s lowest is 22% off
Tracked since: 8 Oct 2026; 3 price changes since

Price records (9)

16 October 2026 · Kidinn£24.49
15 October 2026 · John Lewis£19.99
13 October 2026 · Kidinn£24.99
12 October 2026 · LEGO.com UK£24.99
10 October 2026 · Amazon.co.uk£19.50
10 October 2026 · Very£19.99
10 October 2026 · Argos£25.00
8 October 2026 · John Lewis£24.99
8 October 2026 · LEGO.com UK£24.99

Prices at LEGO.com UK, Amazon.co.uk, Argos, Smyths Toys, Very, John Lewis, The Entertainer and Kidinn, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO Kai's Elemental Fire 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 GBPStore

BelgiëBest priceAmazon.fr€19.07£15.97Amazon.fr
FranceAmazon.fr€19.07£15.97Amazon.fr
PolskaMedia ExpertPLN 84.00£16.10Media Expert
UK(this page)Amazon.co.uk£19.50£19.50Amazon.co.uk

Show all 13 countries

Exchange rates of 22 October 2026.

Resale value

What the LEGO Kai's Elemental Fire Mech actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

£11.02

Median of 6 sales (worldwide), from £10.95 to £19.16

-56% vs LEGO’s regular price (£24.99)

Used

£7.21

Median of 1 sale (worldwide)

-71% vs LEGO’s regular price (£24.99)

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

Set details

Pieces: 322
Minifigures: 4
Ages: 7+
Released: 2024
Set number: 71808
Theme: NINJAGO
Price per piece: 6.1pat today’s lowest price
LEGO.com rating: 4.6
LEGO Insiders points: 200

LEGO Kai's Elemental Fire Mech building instructions

Instructions bookletPDF, 34 MB

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 Kai's Elemental Fire Mech parts list

304 pieces in 106 different parts and colors, plus 4 minifigures.

Minifigures

Jordana
Kai, Ninja Wrap
Wolf Mask Warrior
Zane, Ninja Wrap, Katana Holder

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Parts list: Rebrickable.

About the LEGO Kai's Elemental Fire Mech

Kids aged 7+ can recreate stories from season 2 of NINJAGO® Dragons Rising with the Kai’s Elemental Fire Mech (71808) ninja toy. The mech has posable arms and legs that can be tilted and twisted into dramatic battle stances, a cockpit for the ninja minifigure and a big golden sword accessory for role-play battles against the Wolf Mech.

This customizable mech also lets kids build their own mech! Its detachable legs, arms and torso can be combined with parts from 2 other mechs: Cole’s Elemental Earth Mech (71806) and Sora’s Elemental Tech Mech (71807) (sold separately). Kids can enjoy endless fun as they mix and match parts to create a unique action figure toy.

The red mech comes with 4 minifigures – Kai and Zane, both with a katana sword accessory, Jordana with a sword accessory, and a Wolf Mask Warrior – so kids can play out gripping ninja action. The set can also be created with the LEGO® Builder app, which guides you and your child on an easy and intuitive building

adventure.

Kids’ customizable action figure toy – Kai’s Elemental Fire Mech ninja toy for boys and girls aged 7+ combines with 2 other mechs (sold separately) thanks to its detachable legs, arms and torso
Build your own mech suit – Kids can enjoy hours ofcreative fun as they mix and match parts from these ninja adventure toys (sets sold separately) to create their own mech figure
4 NINJAGO® minifigures – Set comes with Kai, Zane and Jordana, each with a sword element, and a Wolf Mask Warrior so kids can re-enact battles from season 2 of the NINJAGO Dragons Rising TV show
Posable figure – Kai’s mech has posable arms and legs that can be tilted and twisted into battle stances, and a big golden sword for role-play battles against a Wolf figure
Ninja gift – This battle toy provides a fun build-and-play experience and is an everyday gift idea for kids who love to play out action-packed stories
More customizable mechs – Kids can swap and combine parts from Kai’s mech with Cole’s Elemental Earth Mech (71806) and Sora’s Elemental Tech Mech (71807), which are sold separately
A universe of ninja toys – LEGO® NINJAGO® sets include dragons, vehicles and temples, and let kids escape into a fantasy world of adventures with their ninja heroes
Measurements – This 322-piece LEGO® set includes a NINJAGO® mech standing over 6 in. (16 cm) tall

Description: LEGO.com.

LEGO Kai's Elemental Fire Mech: FAQ

Is the LEGO Kai's Elemental Fire Mech retiring?

Yes: the LEGO Kai's Elemental Fire Mech is retiring soon. LEGO flags it “Retiring soon” on LEGO.com UK (it already carried the flag when we started tracking on 8 October 2026). Expect it to be gone by 31 December 2026 at the latest (70 days), possibly sooner once stock runs out. It is on backorder on LEGO.com UK (ships later). LEGO doesn’t publish exact dates: this one is our estimate.

How much is the LEGO Kai's Elemental Fire Mech?

The lowest price we found today is £19.50 at Amazon.co.uk, out of 6 stores selling it today (regular price £24.99). Prices change often: this page is updated every day.

Should I buy the LEGO Kai's Elemental Fire Mech now or wait?

Retiring by 31 December 2026: buy it while you can. LEGO is retiring it: we expect it gone from LEGO.com UK by 31 December 2026, in 70 days. The best price today is £19.50 at Amazon.co.uk, 22% below LEGO’s regular price. New copies of retired sets tend to get scarcer and pricier.