How many pieces does the LEGO Arin's Battle Mech (71804-1) have?

The LEGO Arin's Battle Mech set (71804-1) contains 104 pieces. It was released in 2024 as part of the LEGO Ninjago theme.

How can I find missing parts for LEGO set 71804-1?

On BrickMissing you can check which parts from the LEGO Arin's Battle Mech (71804-1) you already own. Add your LEGO collection and we'll show exactly which of the 104 pieces you're missing and which you already have.

Can I build the LEGO Arin's Battle Mech with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 104 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Arin's Battle Mech from?

The LEGO Arin's Battle Mech (71804-1) belongs to the LEGO Ninjago theme. You can browse all Ninjago sets on BrickMissing to find more sets from this theme.

Arin's Battle Mech

🏷️ 71804-1•🎨 Ninjago•📅 2024•🧱 104 parts•Easy

Engage in clashes with the LEGO Ninjago 71804 Arin's Battle Mech, a 104-piece set depicting scenes from Dragons Rising season 2. The set showcases Arin's mech, built with posable joints for action poses, armed with a large sword and a rotating blade. It includes the Arin minifigure, holding his katana, ready to pilot the mech. Opposing him is the Wolf Mask Warrior minifigure, armed with a sword and flying a glider featuring posable wings, a disc shooter, and two spears. A brick-built crystal cave holds a magic mallet, complemented by a weapons rack with two golden katana sword accessories. A Starter Brick streamlines the build, allowing for immediate play in any Ninjago adventure.

Parts Inventory

🧱 104 parts

Part	Color	Qty
Plate Special 1 x 2 with Clip Horizontal on Side 11476	Magenta	1×
Slope Curved 2 x 1 No Studs [1/2 Bow] 11477	Sand Blue	2×
Plate Special 1 x 2 5.9mm Centre Side Towball Socket 14704	Light Bluish Gray	2×
Tile Round 2 x 2 with Bottom Stud Holder 14769	Dark Purple	3×
Tile Round 2 x 2 with Dragon Head, White Gear in Dark Azure Circle print 14769pr9988	Pearl Gold	1×
Tile Special 1 x 2 with Two Vertical Teeth / Tooth 15209	Black	3×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Pearl Gold	1×
Wedge Plate 4 Stud 45° Angle Plate 15706	Black	2×
Creature Body Part, Barb Large (Claw, Talon) with Clip 16770	Black	2×
Plate Round Corners 2 x 6 Double 18980	Black	1×

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Tile Special 1 x 2 with Two Vertical Teeth / Tooth	15209	Black	3×
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	15573	Pearl Gold	1×
Wedge Plate 4 Stud 45° Angle Plate	15706	Black	2×
Creature Body Part, Barb Large (Claw, Talon) with Clip	16770	Black	2×
Plate Round Corners 2 x 6 Double	18980	Black	1×
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]	21459	Pearl Gold	2×
Tile Special 2 x 3 Pentagonal	22385	Dark Green	1×
Plate Special 1 x 2 with End Towball	22890	Dark Bluish Gray	2×
Plant, Leaves 4 x 3	2423	Magenta	1×
Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor)	27167	Bright Light Orange	1×
Wheel Arch, Mudguard 3 x 4 with 2 x 2 Plate	28326	Dark Bluish Gray	1×
Brick 1 x 2	3004	Magenta	2×
Plate 2 x 3	3021	Bright Light Orange	1×
Plate 2 x 2	3022	Dark Purple	1×
Rock 1 x 1 Crystal 5 Point	30385	Opal Trans-Purple	1×
Slope 45° 2 x 1 with Bottom Pin	3040b	Magenta	4×
Slope Curved 2 x 2 with Lip, No Studs	30602	Black	2×
Brick Round 1 x 1 Open Stud	3062b	Magenta	1×
Tile 2 x 2 with Groove	3068b	Bright Light Orange	2×
Wedge Plate 4 x 6 Cut Corners	32059	Black	1×
Plate Special 2 x 2 with Only 2 studs	33909	Black	1×
Plate 1 x 6	3666	Dark Blue	1×
Technic Pin without Friction Ridges Lengthwise	3673	Yellow	1×
Technic Brick 1 x 2 [1 Pin Hole]	3700	Dark Bluish Gray	1×
Plate 2 x 6	3795	Bright Light Orange	3×
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section	40379	Black	1×
Bar 1 x 4 x 2 with Studs	4083	Black	1×
Large Figure Weapon 6 Blade Ninja Star / Shuriken	41125	Pearl Gold	1×
Plate Special 1 x 2 [Open O Top Clip]	44861	Light Bluish Gray	2×
Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End	47456	Pearl Gold	2×
Rock Panel 2 x 4 x 6	47847	Dark Blue	1×
Brick Special 1 x 1 with Studs on 2 Sides	47905	Black	1×
Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets	48172	Black	1×
Plate Special 1 x 2 [Side Handle Closed Ends]	48336	Dark Bluish Gray	3×
Wedge Plate 2 x 4	51739	Black	1×
Slope Inverted 45° 6 x 1 Double with 1 x 4 Recessed	52501	Black	1×
Slope 30° 1 x 1 x 2/3 (Cheese Slope)	54200	Trans-Red	1×
Plate Special 1 x 2 with Clips Horizontal [Open O Clips]	60470b	Black	5×
Plate Special 1 x 2 with Handle on End [Closed Ends]	60478	Black	2×
Technic Pin with Friction Ridges Lengthwise with No Center Slots	61332	Black	1×
Launcher, Brick Special 1 x 4 with Inside Clips (Disk Shooter)	63783	Light Bluish Gray	1×
Wedge 4 x 4 Fractured Polygon Top	64867	Opal Trans-Purple	1×
Wedge Plate 4 x 8 Cut Corners	68297	Dark Tan	1×
Brick Curved, 3 x 1 with 1/3 Inverted Cutout	70681	Black	2×
Mech Leg, Right, with Black Pin	70943c01	Bright Light Orange	1×
Mech Leg, Left, with Black Pin	70946c01	Bright Light Orange	1×
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate	73109	Light Bluish Gray	1×
Shield Round Bowed with Gold Dragon, Red Eyes, Fans print	75902pr0022	Pearl Gold	1×
Plate Angled 2 x 2 with Step and Hole in Center	79846	Dark Green	2×
Bar 3L	87994	Pearl Gold	1×
Weapon Sword / Khopesh	93247	Flat Silver	1×
Slope Curved 4 x 1 Double with No Studs	93273	Dark Blue	6×
Weapon Pike / Spear Flat End	93789	Flat Silver	2×
Weapon Sword, Big Blade with Bar	98137	Pearl Gold	1×
Cockpit 4 x 2 x 3 with Pin Hole, and 2 Clips	98876	Light Bluish Gray	1×
Hips and Bright Light Orange Legs with Sand Green Belt, Knee Caps, Orange Toes print	970c38pr0001	Bright Light Orange	1×
Torso, Odd Arms, Sweater, Pockets, White Undershirt and Symbol, Orange Dragon print, Left Bright Light Orange Arm, Right Orange Arm, Black Hands	973e132pr0001	Bright Light Orange	1×
Wrap with Short Back Knot Smooth, Pearl Gold Mask pattern	4910pat0005	Bright Light Orange	1×
Minifig Head Arin, Thick Raised Eyebrows, Smirk, Stubbles print	28621pr3991	Yellow	1×
Hips and Dark Blue Legs with Dark Bluish Grey/Dark Azure Belt, Dark Purple Coat, Silver Trimming, White Fangs print	970c05pr0003	Dark Blue	1×
Minifig Head Wolf Warrior, Silver Face Mask, Nougat Eye Shadow, Black Eyes / Blue Eyes and Fangs Print	28621pr0012	Dark Blue	1×
Minifig Neckwear Armor Shoulder Pads	41637	Dark Blue	1×
Torso, Robe, Black Sash with Dark Azure Asian Symbols, Dark Purple Trim, Dark Azure/Silver Decorations print, Dark Blue Arms, Dark Purple Hands	973c05h09pr0002	Dark Blue	1×
Wrap with Wolf Mask with Medium Azure Eyes, Teeth/Fangs pattern	4919pat0001	Dark Blue	1×

Build DNA

Parts inventory insights for Arin's Battle Mech

104 pieces puts this build -77% against the average Ninjago set and -82% against the average 2024 release.

LEGONINJAGO

Vs average Ninjago set

-77%-356 parts

This set104

Average set460

Average Ninjago set: 460 pieces across 408 other sets.

Vs average 2024 set

-82%-470 parts

This set104

Average set574

Average 2024 set: 574 pieces across 561 other sets.

Color profile

15different colors

Dominant color

Black

Black28x

27%

Dark Blue13x

13%

Bright Light Orange12x

12%

Pearl Gold10x

10%

Unique parts

1.5 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Slope Curved 4 x 1 Double with No Studs

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

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Build Insights🧩69unique parts🎨15different colors📊6.9avg. parts per color🏆6×Slope Curved 4 x 1 Double with No Studs

🎨 All Ninjago sets 📅 All sets from 2024

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