Arin's Spinjitzu Battle Mech 71839
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Lego® NINJAGO 71839 Arin's Spinjitzu Battle Mech

NINJAGO
The Lego set Arin's Spinjitzu Battle Mech with the Lego number 71839 is part of the LEGO NINJAGO theme. The set was released in May of 2025. It contains 2 minifigures. The model consists of a total of 213 parts and we estimate it takes you around < 1 hour to build it.
The set weighs around 0.315 kg in total. The recommended retail price is £17.99.
Our Brickfact Lego price comparison compares prices from 3 shops for this set. Currently Amazon.co.uk has the lowest price at £13.39. This corresponds to a per piece price of £0.06. With this offer, you save £4.60 off the suggested retail price and get the set at a 26% discount.
You will also receive 144 Insiders points if you decide to buy the set from the official Lego store. You can exchange them for discount coupons for future purchases.
The Part-Out-Value (POV) is the sum of all part prices paid on bricklink.com for this set. It is about £29.13. You save around £15.74 if you buy this set directly at Amazon.co.uk instead of purchasing the bricks on bricklink.com. Therefore, the current best offer has a POV rate of 2.18. The POV Rate is the ratio of Part-Out-Value to the current best price on Brickfact.com.
Disclosure: As members of the Amazon Partner Program, eBay Partner Network and other affiliate programs of retailers such as LEGO, we earn from qualified sales that you make via links to the respective platforms and stores on our website.

Lego 71839 price comparison

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Lego 71839 product data

Set Information

Set ID
71839
Theme
Pieces
213
Building Time
< 1 hour
Minifigures
2

Availability

Release
05/2025
Retiring Status
Begin of Life

Price Information

RRP
£17.99
Insiders Points (for purchase at Lego)
144
Part Out Value
£29.13
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Packaging

Weight
0.315 kg
EAN (GTIN13)
5702017815725

Lego 71839 price trend

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Minifigures from 71839 Arin's Spinjitzu Battle Mech

The Arin's Spinjitzu Battle Mech set includes 2 different minifigures, 1 of which are unique to this set. The combined value of the minifigures is £6.54, which is ~36% of the RRP of this set.
x1
Thumbnail of minifigure njo0972
Arin - Shirt with Magenta Dragon, Hair, Bandana
NINJAGO
time-logo
2025
# njo0972
£2.36
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Unique
x1
Thumbnail of minifigure njo0973
Spectral Dragonian Warrior
NINJAGO
time-logo
2025
# njo0973
£4.17
2 sets

Official Set Description for LEGO 71839 Arin's Spinjitzu Battle Mech

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.

  • 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

Building Instruction for LEGO 71839 Arin's Spinjitzu Battle Mech

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