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Ages 7+

Arin's Spinjitzu Battle Mech (71839)

NINJAGO®
LEGO.com RRP:
£17.99
Best Price Found
€16.99(~£14.27)
3.04 (17%)
View Deal →
Amazon FR
Amazon FR// Last Checked: 16 Mar
LEGO.com
4.6
(4 reviews)
4.6
🧱 213 pieces - : £0.07

Available From

Amazon UK
£14.95
£17.99
Save £3.04 (17% off)
Price checked: 16 Mar 2026
View Deal →
Amazon FR
Best Deal
€16.99(~£14.27)
Price checked: 16 Mar 2026
View Deal →
argos_uk
£18.00
Price checked: 16 Mar 2026
View Deal →
LEGO.comOfficial
£17.99
Price updated: 16 Mar 2026
View on LEGO →

Price History

Description

Ninja fans aged 7 and over can play out scenes from season 3 of the NINJAGO® Dragons Rising TV show with this LEGO® NINJAGO Arin’s Spinjitzu Battle Mech (71839) toy. This building set for kids features a NINJAGO mech with posable arms and legs, which can be tilted and twisted into different positions, a rotating torso, an opening chest to place a minifigure inside and 2 large sword accessories.

Kids can also create their own ultimate mech by swapping body parts from Arin’s Spinjitzu Battle Mech with parts from customisable mechs in the 2024 NINJAGO range (sold separately): Cole’s Elemental Earth Mech (71806), Sora’s Elemental Tech Mech (71807), Kai’s Elemental Fire Mech (71808) and Lloyd’s Elemental Power Mech (71817).

The ninja toy role-play set comes with 2 minifigures: Arin with a crystal katana sword accessory and a Spectral Dragonian Warrior with its own sword accessory, plus a Baby Riyu model for kids to role-play gripping good vs. evil battles. Set contains 213 pieces.

Features

  • LEGO® NINJAGO® battle toy for kids – Arin’s Spinjitzu Battle Mech lets boys and girls aged 7 and up recreate all-action scenes from season 3 of the NINJAGO Dragons Rising TV show
  • Posable mech toy – Arin’s Spinjitzu Battle Mech has posable arms and legs, a torso that can rotate, an opening chest to place a minifigure inside and 2 large sword accessories
  • Build your own mech – Kids can mix and match body parts and weapons from this mech with customizable mechs in the 2024 NINJAGO® range (sold separately) to create their own ultimate mech figure
  • 2 NINJAGO® minifigures – LEGO® set comes with Arin armed with a crystal katana sword accessory and a villainous Spectral Dragonian Warrior for good vs. evil battles, plus a Baby Riyu model
  • Fun gift idea for kids – This LEGO® adventure toy provides a fun build-and-play experience and is a small treat toy for boys and girls aged 7 and up who have a passion for ninja adventures
  • Bigger ninja adventures – Look out for more LEGO® NINJAGO® toys (sets sold separately) featuring dragons, temples and vehicles
  • A universe of LEGO® NINJAGO® toys – Extensive collection of ninja toys lets kids escape into a fantasy world for imaginative play with their ninja heroes
  • Measurements – Arin’s SpinjitzuBattle Mech figure in this 213-piece LEGO® NINJAGO® building set for kids stands over 6.5 in. (16 cm) tall

Frequently Asked Questions about Arin's Spinjitzu Battle Mech

What is the best price for LEGO Arin's Spinjitzu Battle Mech (Set 71839)?

The best current price for LEGO Arin's Spinjitzu Battle Mech (Set #71839) is £16.99 at Amazon FR. This is £3.04 cheaper than the official LEGO RRP of £17.99. Price last verified on 16 March 2026.

How much can I save on LEGO Arin's Spinjitzu Battle Mech?

You can save £3.04 (17% off) on LEGO Arin's Spinjitzu Battle Mech by buying from Amazon FR instead of LEGO.com. The official RRP is £17.99, but you can get it for just £16.99. Browse more top discounts.

How many pieces are in LEGO set 71839?

LEGO Arin's Spinjitzu Battle Mech (Set #71839) contains 213 pieces. At the best available price of £16.99, that works out to approximately 8.0p per piece.

What age is LEGO Arin's Spinjitzu Battle Mech suitable for?

LEGO Arin's Spinjitzu Battle Mech (Set #71839) 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 Arin's Spinjitzu Battle Mech?

You can download the official building instructions for LEGO Arin's Spinjitzu Battle Mech (Set #71839) 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 Arin's Spinjitzu Battle Mech in the UK?

LEGO Arin's Spinjitzu Battle Mech (Set #71839) is available from 3 UK retailers including Amazon UK, Amazon FR, argos_uk. Prices range from £14.95 to £18.00. It's also available directly from LEGO.com at £17.99.

Is LEGO Arin's Spinjitzu Battle Mech on sale right now?

Yes! While not on sale at LEGO.com, you can get LEGO Arin's Spinjitzu Battle Mech for £16.99 at Amazon FR - that's 17% below the official RRP of £17.99. Browse more best offers.

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