Arin's Spinjitzu Battle Mech (71839-1) is a Ninjago LEGO set released in 2025 with 213 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 2 minifigures and 75 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Arin's Spinjitzu Battle Mech
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Parts in this set
75 parts · page 1 of 2 · updating…
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Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small53451 · ×2 · Pearl Gold -
Arm Mechanical with Clip [Thick Support]98313 · ×6 · Pearl Gold -
Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip]3484 · ×2 · Dark Bluish Gray -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×4 · Dark Bluish Gray -
Bracket 1 x 2 - 1 x 299781 · ×8 · Pearl Gold -
Bracket 1 x 2 - 2 x 244728 · ×1 · Light Bluish Gray -
Brick 2 x 23003 · ×2 · Bright Light Orange -
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End47457 · ×2 · Pearl Gold -
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]85080 · ×2 · Black -
Brick Special 1 x 1 with Stud on 1 Side87087 · ×4 · Black -
Brick Special 1 x 2 with Rotation Joint Pin4920 · ×1 · White -
Brick Special 1 x 2 with Studs on 2 Sides52107 · ×2 · Black -
Brick Special 1 x 2 x 1 1/3 with Rotation Joint Socket80431 · ×1 · Dark Bluish Gray -
Brick Special 2 x 5 with Slope, Studs on Side79897 · ×2 · Bright Light Orange -
Cone 1 x 1 [Top Groove]59900 · ×1 · Pearl Gold -
Creature, Dragon, Baby, Dark Blue Markings, Lime Eyes print3215pr0001 · ×1 · Sand Blue -
Dish 2 x 2 Inverted [Radar]4740 · ×1 · Trans-Dark Pink -
Flame / Headwear Accessory Plume / Feather, Triple Point64647 · ×2 · Trans-Dark Pink -
Large Figure Cover 4 x 3 x 2 with Bar, 4 Studs, Ridged79896 · ×1 · Bright Light Orange -
Large Figure Cover 4 x 5 x 2 with Bar, 4 Studs, Ridged4986 · ×2 · Pearl Gold -
Large Figure Weapon Hook5310 · ×1 · Pearl Gold -
Large Figure Weapon Sword, 3 Bar Holes and Axle Hilt35633 · ×1 · Pearl Gold -
Plant / Animal Body Part, Tree / Branch / Tail / Appendage / Tentacle with Pin69858 · ×1 · Light Aqua -
Plate 1 x 23023 · ×10 · Trans-Dark Pink -
Plate 2 x 23022 · ×2 · Light Bluish Gray -
Plate 2 x 23022 · ×4 · Black -
Plate 2 x 33021 · ×3 · Black -
Plate 2 x 43020 · ×1 · Bright Light Orange -
Plate Angled 2 x 2 with Step and Hole in Center79846 · ×1 · Black -
Plate Angled 2 x 2 with Step and Hole in Center79846 · ×5 · Bright Light Orange -
Plate Round 1 x 1 with Solid Stud6141 · ×4 · Trans-Dark Pink -
Plate Round 1 x 1 with Solid Stud6141 · ×6 · Pearl Gold -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×4 · Dark Bluish Gray -
Plate Round Corner 3 x 3 with 2 x 2 Round Cutout68568 · ×4 · Black -
Plate Special 1 x 1 with Vertical Tooth15070 · ×2 · Pearl Gold -
Plate Special 1 x 2 5.9mm Towball Socket14418 · ×2 · Light Bluish Gray -
Plate Special 1 x 2 Rounded with 2 Open Studs35480 · ×5 · Black -
Plate Special 1 x 2 with 5.9mm Centre Side Towball14417 · ×2 · Dark Bluish Gray -
Plate Special 1 x 2 with Angled Handles on Side92692 · ×2 · Black -
Plate Special 1 x 2 with Clip Horizontal on End63868 · ×2 · Dark Bluish Gray -
Plate Special 1 x 2 with Clip Vertical on End78256 · ×2 · Black -
Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment]3839b · ×2 · Black -
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version4304 · ×4 · Black -
Plate Special 2 x 3 with Rocks27261 · ×5 · Black -
Plate Special 4 x 4 with 2 x 2 Opening64799 · ×1 · Dark Bluish Gray -
Plate Special Round 2 x 2 with Center Stud (Jumper Plate)18674 · ×1 · Black -
Slope 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Dark Bluish Gray -
Slope 65° 2 x 1 x 260481 · ×2 · Black