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71839 LEGO Ninjago Arin’s Spinjitzu Battle Mech thumbnail image

71839 LEGO Ninjago Arin’s Spinjitzu Battle Mech
Images 5Description 
71839 LEGO Ninjago Arin’s Spinjitzu Battle Mech
  • Arin’s Spinjitzu Battle Mech thumbnail
  • Arin’s Spinjitzu Battle Mech thumbnail
  • Arin’s Spinjitzu Battle Mech thumbnail
  • Arin’s Spinjitzu Battle Mech thumbnail
  • Arin’s Spinjitzu Battle Mech thumbnail

LEGO 71839 Arin’s Spinjitzu Battle Mech is a Ninjago set currently available at retail for $22.99 and is projected to retire in mid and late 2026. Current new-sealed secondary market prices range from $23 to $28, with the average below MSRP at $22.

Forecast Model

This represents the expected annual growth (CAGR) based solely on a forecast model.
LEGO 71839 Arin’s Spinjitzu Battle Mech is a Ninjago Dragons Rising Season 3 set released in 2025, containing 213 pieces and 2 minifigures. The build centers on a posable mech with articulated arms and legs, a rotating torso, an opening chest cockpit, and two large sword elements. It includes Arin and a Spectral Dragonian Warrior minifigure, plus a small Baby Riyu model. The set ties into scenes from Dragons Rising Season 3 and features parts that can be swapped with select other mechs.

Once retired, the expected annual growth will be close to 5% after the second year, valuing the set between $27 and $28 shortly after it is retired.
Retirement risk.Arin’s Spinjitzu Battle Mech has been available for 12 months. Based on the average lifespan of other sets in this theme (10 months), this set may be at risk of retiring in the coming months.
All regions

For Sale (New/Sealed)

This chart shows the sales listing trends of 71839 Arin’s Spinjitzu Battle Mech.
 (US) Ninjago Build Set #71839 Arin's Spinjitzu Battle Mech, 213 Pcs - Brand New
BrickEconomy Choice
$17.25
(CA) LEGO Ninjago Arin's Spinjitzu Battle Mech - 71839, 213-pcs NEW Sealed Box $18.58
-19.2%
(US) NINJAGO Dragons Rising 71839 Arins Spinjitzu Battle Mech 2 Minifigs $19.00
-17.4%
(US) Ninjago Build Set #71839 Arin's Spinjitzu Battle Mech, 213 Pcs - Brand New $19.60
-14.7%
(US) NINJAGO Dragons Rising Arins Spinjitzu Battle Mech 71839-213 pcs New $19.80
-13.9%
(US) Ninjago: Arins Spinjitzu Battle Mech (71839) $20.00
-13.0%
(US) LEGO NINJAGO 71839 Arins Spinjitzu Battle Mech BRAND NEW & SEALED $20.00
-13.0%
(AU) 71839 Ninjago Arin's Spinjitzu Battle Mech $20.44
-11.1%
(US) LEGO NINJAGO Arins Spinjitzu Battle Mech - Ninja Building Set - 71839 $22.99
(US) Ninjago 71839 Arin's Spinjitzu Battle Mech $22.99
(US) NIB LEGO NINJAGO Dragons Rising Arins Spinjitzu Battle Mech 71839-213 pcs $22.99
(US) NINJAGO Arins Spinjitzu Battle Mech Kids Toy 71839 $22.99
(US) Official LEGO Arins Spinjitzu Battle Mech $22.99
(US) Sealed, New in Box $23.00
Show 29 more listings

Minifigs

Arin’s Spinjitzu Battle Mech contains the following minifigs. The minifigure is exclusive to this set.
njo0972
Arin
Arin with hair and bandana wearing a shirt with a magenta dragon - njo0972
Exclusive
Value $4.66
njo0973
Spectral Dragonian Warrior
Spectral Dragonian Warrior - njo0973
2 sets
Value $7.74

Sets in Ninjago / Dragons Rising Season 3

71837 NINJAGO City Workshops

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 3,244 / 10
Availability Retail
71837 LEGO NINJAGO City Workshops
Retail $249.99
Available at retail

71848 The Temple Bounty

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 2,387 / 6
Availability Retail (Retiring soon)
71848 LEGO Ninjago The Temple Bounty
Retail $199.99
Available at retail
Retiring soon

71834 Zane's Ultra Combiner Mech

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 1,187 / 6
Availability Retail
71834 LEGO Ninjago Zane's Ultra Combiner Mech
Retail $99.99
Available at retail

71845 Lloyd’s Jet Mech

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 1,112 / 5
Availability Retail (Retiring soon)
71845 LEGO Ninjago Lloyd’s Jet Mech
Retail $109.99
Available at retail
Retiring soon

71836 Arc Dragon of Focus

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 869 / 8
Availability Retail
71836 LEGO Ninjago Arc Dragon of Focus
Retail $99.99
Available at retail

71832 Thunderfang Dragon of Chaos

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 668 / 6
Availability Retail (Retiring soon)
71832 LEGO Ninjago Thunderfang Dragon of Chaos
Retail $69.99
Available at retail
Retiring soon

71843 Rogue's Mech Dragon Rider

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 584 / 4
Availability Retail (Retiring soon)
71843 LEGO Ninjago Rogue's Mech Dragon Rider
Retail $74.99
Available at retail
Retiring soon

71844 Ninja Combat Vehicle

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 561 / 6
Availability Retail (Retiring soon)
71844 LEGO Ninjago Ninja Combat Vehicle
Retail $99.99
Available at retail
Retiring soon

71833 Ras and Arin’s Super Storm Jet

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 510 / 3
Availability Retired
71833 LEGO Ninjago Ras and Arin’s Super Storm Jet
Retail $49.99
Value $69.98
Growth  +40.0%

71842 Rontu the Master Dragon

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 381 / 4
Availability Retail (Retiring soon)
71842 LEGO Ninjago Rontu the Master Dragon
Retail $49.99
Available at retail
Retiring soon

71830 Kai’s Mech Storm Rider

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 333 / 3
Availability Retail
71830 LEGO Ninjago Kai’s Mech Storm Rider
Retail $49.99
Available at retail

71841 Dragonian Storm Village

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 305 / 6
Availability Retired
71841 LEGO Ninjago Dragonian Storm Village
Retail $39.99
Value $60.15
Growth  +50.4%

71826 Dragon Spinjitzu Battle Pack

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 186 / 2
Availability Retail
71826 LEGO Ninjago Dragon Spinjitzu Battle Pack
Retail $19.99
Available at retail

71828 Lloyd's Pull-Back Race Car

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 181 / 2
Availability Retail
71828 LEGO Ninjago Lloyd's Pull-Back Race Car
Retail $24.99
Available at retail

71831 Ninja Spinjitzu Temple

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 158 / 4
Availability Retail
71831 LEGO Ninjago Ninja Spinjitzu Temple
Retail $39.99
Available at retail

71829 Lloyd's Green Forest Dragon

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 128 / 2
Availability Retail
71829 LEGO Ninjago Lloyd's Green Forest Dragon
Retail $19.99
Available at retail

71840 Rogue vs. Drix Race Car Duel

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 111 / 3
Availability Retail
71840 LEGO Ninjago Rogue vs. Drix Race Car Duel
Retail $22.99
Available at retail

71827 Zane's Battle Suit Mech

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 92 / 3
Availability Retail
71827 LEGO Ninjago Zane's Battle Suit Mech
Retail $9.99
Available at retail

30699 Mini Ninja Combo Mech

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces 80
Availability Retail
30699 LEGO Ninjago Mini Ninja Combo Mech
Retail $4.99
Available at retail

71838 Kai’s Motorcycle Speed Race

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 79 / 2
Availability Retail
71838 LEGO Ninjago Kai’s Motorcycle Speed Race
Retail $9.99
Available at retail

71824 Sora’s Dragon Spinjitzu Spinner

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 56 / 2
Availability Retired
71824 LEGO Ninjago Sora’s Dragon Spinjitzu Spinner
Retail $9.99
Value $13.71
Growth  +37.2%

71823 Kai’s Dragon Spinjitzu Spinner

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 54 / 2
Availability Retired
71823 LEGO Ninjago Kai’s Dragon Spinjitzu Spinner
Retail $9.99
Value $19.22
Growth  +92.4%

30700 Arin vs. Dragonian Battle

Theme / Subtheme Ninjago / Dragons Rising Season 3
Year 2025
Pieces / Minifigs 48 / 2
Availability Retired
30700 LEGO Ninjago Arin vs. Dragonian Battle
Retail $4.99
Value $10.09
Growth  +102.2%
Annual growth 34.3%

My Collection

Arin’s Spinjitzu Battle Mech Reviews

39 reviews
4.7
Collectors
Investors
BrickEconomy Expert Review
“Arin’s Spinjitzu Battle Mech offers strong value and continuity for fans of the Ninjago elemental power mech line, combining a sleek design, excellent articulation, and a unique color scheme tied to the show’s evolving story. With 213 pieces, a detailed Dark Arin minifigure, a Spectral Dragonian villain, and Baby Riyu, this $22.99 set stands out for its playability and display potential. While not the most essential entry in the series, it remains a great addition for collectors and younger fans alike looking for a character-driven mech at an... More accessible price.”
 

About Ninjago Dragons Rising Season 3

LEGO Ninjago, also known as Ninjago: Masters of Spinjitzu, theme was introduced in 2011 and included sets that are based off of original storylines, a TV series and The LEGO Ninjago Movie, a movie based on the theme. The main premise of the Ninjago universe is based around six teenage Ninja, Kai, Jay, Cole, Zane, Nya, and Lloyd, who have been trained by their master Sensei Wu, fighting forces of evil to protect the land of Ninjago.

Dragons Rising Season 3 was introduced in 2025 and currently consists of 24 sets.
Read more
Ninja fans aged 7 and up can play out scenes from season 3 of the NINJAGO Dragons Rising TV show with this LEGO NINJAGO Arins 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 Arins Spinjitzu Battle Mech with parts from customizable mechs in the 2024 NINJAGO range (sold separately): Coles Elemental Earth Mech (71806), Soras Elemental Tech Mech (71807), Kais Elemental Fire Mech (71808) and Lloyds 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.

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