Ages 7+

Kai's Elemental Fire Mech (71808)

Name: Kai's Elemental Fire Mech
Brand: LEGO
SKU: 71808
Rating: 4.8 (4 reviews)

Prices last checked: 13 June 2026 at 12:26

LEGO.com RRP:

£24.99

Best Price Found

€19.49(~£16.37) -£7.50 (30%)

View Deal →

Amazon DE// Last Checked: 13 Jun

LEGO.com

★4.8

(4 reviews)

★4.7

🧱 322 pieces - : £0.05

Available From

£17.49

£24.99

Free delivery with Prime

Save £7.50 (30% off)

Price checked: 13 Jun 2026

View Deal →

Best Deal

€19.49(~£16.37)

Price checked: 13 Jun 2026

View Deal →

€23.99(~£20.15)

Free delivery

Price checked: 8 Apr 2026

View Deal →

£25.00

Price checked: 13 May 2026

View Deal →

LEGO.comOfficial

£24.99

Price updated: 13 Jun 2026

View on LEGO →

Building Instructions Brickset

Price Analysis

Lowest Price Ever

£9.76

at Amazon DE · Jun 2026

Average Price (12mo)

£20.17

Current vs Average

-18.9%

Below average

Price Trend

Rising

Last 30 days

Best Month to Buy

June

Value Score

10.0/10

Price-per-piece vs theme avg

The lowest price we've recorded for Kai's Elemental Fire Mech is £9.76 at Amazon DE in June 2026. The current price is 18.9% below the 12-month average of £20.17. Prices have been trending upward recently. Consider buying soon if you spot a deal. Historically, June tends to offer the best prices for this set.

Price History & Buying Verdict

VerdictGood time to buy

•It's currently 18.9% below the 12-month average price of £20.17 — a notably good window.
•Prices have been rising over the last 30 days, so locking in the current price could be wise.
•On price-per-piece, this is one of the better-value sets in the NINJAGO® range (value score 10.0/10 vs theme average).
•A recent price drop of about £6.86 was recorded in the last 30 days.

We've been tracking the price of LEGO NINJAGO® Kai's Elemental Fire Mech (322 pieces) for 147 days, recording 52 data points across LEGO.com and major UK retailers. Over that period the price has dropped 14 times below previous levels, with the lowest price ever recorded being £9.76 at Amazon DE in June 2026.

The 12-month average sale price for set 71808 works out to £20.17 — that's 19.3% below the LEGO RRP of £24.99. The highest price we recorded across our tracked retailers was £25.00, giving a range of about £15.24 between the cheapest and most expensive observation.

Amazon DE has run the most price drops on this set in the period we've tracked, making it the retailer most worth watching for short-term deals. Historically, June has produced the lowest average prices for Kai's Elemental Fire Mech, so if you're not in a hurry it's worth bookmarking the page closer to that window. Prices have been trending upward over the last 30 days, so the deals window may be closing.

Want to see how LEGO Kai's Elemental Fire Mech (set 71808) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.

Description

Kai's Elemental Fire Mech (71808) is a LEGO NINJAGO® set with 322 pieces, with an RRP of £24.99. It's currently available from £16.37 at Amazon DE — 30% below the RRP, saving you £7.50. Prices have been rising recently, so acting sooner may be wise. With a value score of 10.0/10, this set offers excellent value compared to other NINJAGO® sets.

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.

Features

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

Frequently Asked Questions about Kai's Elemental Fire Mech

What is the best price for LEGO Kai's Elemental Fire Mech (Set 71808)?

The best current price for LEGO Kai's Elemental Fire Mech (Set #71808) is £19.49 at Amazon DE. This is £7.50 cheaper than the official LEGO RRP of £24.99. Price last verified on 13 June 2026.

How much can I save on LEGO Kai's Elemental Fire Mech?

You can save £7.50 (30% off) on LEGO Kai's Elemental Fire Mech by buying from Amazon DE instead of LEGO.com. The official RRP is £24.99, but you can get it for just £19.49. Browse more top discounts.

How many pieces are in LEGO set 71808?

LEGO Kai's Elemental Fire Mech (Set #71808) contains 322 pieces. At the best available price of £19.49, that works out to approximately 6.1p per piece.

What age is LEGO Kai's Elemental Fire Mech suitable for?

LEGO Kai's Elemental Fire Mech (Set #71808) is recommended for ages 7+. This set is part of the LEGO NINJAGO® theme. View all NINJAGO® sets and deals.

Where can I find the building instructions for LEGO Kai's Elemental Fire Mech?

You can download the official building instructions for LEGO Kai's Elemental Fire Mech (Set #71808) 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 Kai's Elemental Fire Mech in the UK?

LEGO Kai's Elemental Fire Mech (Set #71808) is available from 4 UK retailers including Amazon UK, Amazon DE, Amazon FR and others. Prices range from £17.49 to £25.00. It's also available directly from LEGO.com at £24.99.

Is LEGO Kai's Elemental Fire Mech on sale right now?

Yes! While not on sale at LEGO.com, you can get LEGO Kai's Elemental Fire Mech for £19.49 at Amazon DE - that's 30% below the official RRP of £24.99. Browse more best offers.

What is the lowest price ever recorded for LEGO Kai's Elemental Fire Mech?

The lowest price we've recorded for LEGO Kai's Elemental Fire Mech (Set #71808) is £9.76 at Amazon DE in June 2026. That's 61% off the LEGO RRP of £24.99. Track the latest movements on our LEGO price history page.

Is LEGO Kai's Elemental Fire Mech good value for money?

Comparing piece-count to price across the LEGO NINJAGO® theme, this set scores 10.0 / 10 for value. That works out to about 6.1p per piece. That puts Kai's Elemental Fire Mech in the top tier of NINJAGO® sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.