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. 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