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  • VIDEO
LEGO Ninjago Arin's Spinjitzu Battle Mech 71839 360 SpinLEGO Canada Inc
  • LEGO NINJAGO Arin’s Spinjitzu Battle Mech Building Toy - Ninja Building Set for Kids, Ages 7+ - with Arin, Baby Ryu, & Villain Minifigures - Gift Idea for Boys, Girls, & Dragons Rising Fans - 71839
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LEGO NINJAGO Arin’s Spinjitzu Battle Mech Building Toy - Ninja Building Set for Kids, Ages 7+ - with Arin, Baby Ryu, & Villain Minifigures - Gift Idea for Boys, Girls, & Dragons Rising Fans - 71839

4.9 out of 5 stars (208)

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About this item

  • EVIL MEETS ITS MATCH – The LEGO NINJAGO Arin's Spinjitzu Battle Mech (71839) building set lets boys and girls 7 years old and up command the new-generation ninja's towering battle machine from NINJAGO Dragons Rising Season 3
  • LEGO NINJAGO MINIFIGURES – Builders can stage epic showdowns between good and evil with an Arin minifigure equipped with a crystal katana sword, and the villainous Spectral Dragonian Warrior minifigure, plus an adorable Baby Riyu dragon companion figure
  • INTERACTIVE FEATURES & DETAILS – Kids can construct a fully posable mech with a rotating torso, an opening chest cockpit, articulated arms and legs, and massive twin sword accessories to recreate battles from the TV show or imagine new adventures
  • MIX & MATCH NINJAGO MECH – Fans can swap body parts and weapons with other 2024 LEGO NINJAGO mechs including Cole's, Sora's, Kai's, and Lloyd's elemental mechs (each set sold separately) to create the ultimate fighting machines
  • GIFT FOR BOYS & GIRLS – Makes a cool birthday or holiday present for kids who love ninjas, robots, creative storytelling, and fans of the hit NINJAGO Dragons Rising TV show
  • INTUITIVE BUILDING EXPERIENCE – The LEGO Builder app guides kids through easy step-by-step instructions with 3D viewing tools for enhanced construction adventures
  • DIMENSIONS – Arin's Spinjitzu Battle Mech stands over 6.5 in. (16 cm) tall and contains 213 pieces

Frequently bought together

This item: LEGO NINJAGO Arin’s Spinjitzu Battle Mech Building Toy - Ninja Building Set for Kids, Ages 7+ - with Arin, Baby Ryu, & Villain Minifigures - Gift Idea for Boys, Girls, & Dragons Rising Fans - 71839
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Product information

Technical Details

Model Number ‎6526917
Number of pieces ‎213
Assembly Required ‎No
Batteries Required? ‎No
Batteries Included? ‎No
Material type(s) ‎Plastic
Colour ‎Multicolor
Release date ‎Aug. 1 2025
Manufacturer recommended age ‎7 years and up
Item model number ‎6526917
Product Dimensions ‎19.1 x 26.2 x 6.1 cm; 316.15 g
ASIN ‎B0DRW76RJH

Additional Information

Customer Reviews
4.9 out of 5 stars (208)

4.9 out of 5 stars
鶹 Rank
Date First Available Aug. 1 2025
Manufacturer LEGO

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LEGO NINJAGO Arin’s Spinjitzu Battle Mech Building Toy - Ninja Building Set for Kids, Ages 7+ - with Arin, Baby Ryu, & Villain Minifigures - Gift Idea for Boys, Girls, & Dragons Rising Fans - 71839


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Product details

  • Product Dimensions ‏ : ‎ 19.1 x 26.2 x 6.1 cm; 316.15 g
  • Release date ‏ : ‎ Aug. 1 2025
  • Mfg Recommended age ‏ : ‎ 7 - 100 years
  • Item model number ‏ : ‎ 6526917
  • ASIN ‏ : ‎ B0DRW76RJH
  • Country of origin ‏ : ‎ Mexico
  • Customer Reviews:
    4.9 out of 5 stars (208)

From the manufacturer

71839_NINJAGO

All-action LEGO NINJAGO battle mech

Arin’s Spinjitzu Battle Mech with 2 minifigures lets kids stage action from season 3 of the NINJAGO Dragons Rising TV show.

71839_NINJAGO

Create your own ultimate mech

Kids can swap parts from this mech with mechs in the 2024 NINJAGO range (71806 and 71808), sold separately.

LEGO NINJAGO Arin’s Spinjitzu Battle Mech

71839_NINJAGO

Posable mech toy

Move the mech’s arms, legs and torso.

71839_NINJAGO

Pilot the mech

Open the mech’s chest and place a minifigure inside.

71839_NINJAGO

2 NINJAGO minifigures

Arin and a Spectral Dragonian Warrior.

71839_NINJAGO

Enter a digital world of building

Builders can zoom in, rotate sets in 3D and track their progress using the fun, intuitive LEGO Builder app.

71839_NINJAGO

More LEGO NINJAGO sets to collect

Other LEGO NINJAGO sets (sold separately) let kids enjoy even bigger ninja adventures with their heroes.

Product description

The LEGO NINJAGO Arin's Spinjitzu Battle Mech (71839) building set lets boys and girls 7 years old and up command the new-generation ninja's towering battle machine from NINJAGO Dragons Rising Season 3. This fully posable mech dominates pretend play action scenes with its rotating torso, articulated arms and legs, and twin massive sword accessories. The opening chest cockpit reveals the Arin minifigure ready for action, with loyal companion Baby Riyu figure by his side. Together, they'll take on the menacing Spectral Dragonian Warrior minifigure in reenactments of kids' favorite NINJAGO Dragons Rising scenes or star in all-new imaginary adventures. For even more action, kids can combine this mech set with others in the 2024 LEGO NINJAGO collection to create the ultimate NINJAGO mech! Perfect for solo adventures or building with friends, this building set makes an ideal birthday or holiday gift for NINJAGO fans and kids who love building challenges. The master mech capability allows builders to mix and match components of Arin's Spinjitzu Battle Mech with 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) (each set sold separately) for unlimited customization possibilities. The LEGO Builder app guides young builders through intuitive step-by-step instructions with helpful 3D viewing tools. Contains 213 pieces.

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