Arin's Battle Mech (71804-1) is a Ninjago LEGO set released in 2024 with 104 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Ninjago sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 2 minifigures and 60 unique part types.
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Building instructions
2 official booklets — read on BrickID
Book 1 of 2 · US Letter Book 2 of 2 · US Letter
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Minifigures in Arin's Battle Mech
Parts in this set
60 parts · page 1 of 2 · updating…
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Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section40379 · ×1 · Black -
Bar 1 x 4 x 2 with Studs4083 · ×1 · Black -
Bar 3L87994 · ×1 · Pearl Gold -
Brick 1 x 23004 · ×2 · Magenta -
Brick Curved, 3 x 1 with 1/3 Inverted Cutout70681 · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×1 · Magenta -
Brick Special 1 x 1 with Studs on 2 Sides47905 · ×1 · Black -
Cockpit 4 x 2 x 3 with Pin Hole, and 2 Clips98876 · ×1 · Light Bluish Gray -
Creature Body Part, Barb Large (Claw, Talon) with Clip16770 · ×2 · Black -
Large Figure Weapon 6 Blade Ninja Star / Shuriken41125 · ×1 · Pearl Gold -
Launcher, Brick Special 1 x 4 with Inside Clips (Disk Shooter)63783 · ×1 · Light Bluish Gray -
Mech Leg, Left, with Black Pin70946c01 · ×1 · Bright Light Orange -
Mech Leg, Right, with Black Pin70943c01 · ×1 · Bright Light Orange -
Plant, Leaves 4 x 32423 · ×1 · Magenta -
Plate 1 x 63666 · ×1 · Dark Blue -
Plate 2 x 23022 · ×1 · Dark Purple -
Plate 2 x 33021 · ×1 · Bright Light Orange -
Plate 2 x 63795 · ×3 · Bright Light Orange -
Plate Angled 2 x 2 with Step and Hole in Center79846 · ×2 · Dark Green -
Plate Round Corners 2 x 6 Double18980 · ×1 · Black -
Plate Special 1 x 2 [Open O Top Clip]44861 · ×2 · Light Bluish Gray -
Plate Special 1 x 2 [Side Handle Closed Ends]48336 · ×3 · Dark Bluish Gray -
Plate Special 1 x 2 5.9mm Centre Side Towball Socket14704 · ×2 · Light Bluish Gray -
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)15573 · ×1 · Pearl Gold -
Plate Special 1 x 2 with Clip Horizontal on Side11476 · ×1 · Magenta -
Plate Special 1 x 2 with Clips Horizontal [Open O Clips]60470b · ×5 · Black -
Plate Special 1 x 2 with End Towball22890 · ×2 · Dark Bluish Gray -
Plate Special 1 x 2 with Handle on End [Closed Ends]60478 · ×2 · Black -
Plate Special 2 x 2 with Only 2 studs33909 · ×1 · Black -
Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor)27167 · ×1 · Bright Light Orange -
Rock 1 x 1 Crystal 5 Point30385 · ×1 · Opal Trans-Purple -
Rock Panel 2 x 4 x 647847 · ×1 · Dark Blue -
Shield Round Bowed with Gold Dragon, Red Eyes, Fans print75902pr0022 · ×1 · Pearl Gold -
Slope 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×1 · Trans-Red -
Slope 45° 2 x 1 with Bottom Pin3040b · ×4 · Magenta -
Slope Curved 2 x 1 No Studs [1/2 Bow]11477 · ×2 · Sand Blue -
Slope Curved 2 x 2 with Lip, No Studs30602 · ×2 · Black -
Slope Curved 4 x 1 Double with No Studs93273 · ×6 · Dark Blue -
Slope Inverted 45° 6 x 1 Double with 1 x 4 Recessed52501 · ×1 · Black -
Technic Brick 1 x 2 [1 Pin Hole]3700 · ×1 · Dark Bluish Gray -
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate73109 · ×1 · Light Bluish Gray -
Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets48172 · ×1 · Black -
Technic Pin with Friction Ridges Lengthwise with No Center Slots61332 · ×1 · Black -
Technic Pin without Friction Ridges Lengthwise3673 · ×1 · Yellow -
Tile 2 x 2 with Groove3068b · ×2 · Bright Light Orange -
Tile Round 2 x 2 with Bottom Stud Holder14769 · ×3 · Dark Purple -
Tile Round 2 x 2 with Dragon Head, White Gear in Dark Azure Circle print14769pr9988 · ×1 · Pearl Gold -
Tile Special 1 x 2 with Two Vertical Teeth / Tooth15209 · ×3 · Black