# LEGO 71804-1 — Arin's Battle Mech (2024)

Source: https://www.brickmissing.com/sets/71804-1-arins-battle-mech
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

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.

## Set facts

- Set number: 71804-1
- Name: Arin's Battle Mech
- Theme: Ninjago › Dragons Rising Season 2
- Released: 2024
- Pieces: 104
- Distinct part + colour lots: 69
- LEGO retail price: € 14,99
- Build difficulty: easy
- Repairability: 10.1% of this set's lots are hard to replace (7 of 69 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (69 lots, 104 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 1 | Plate Special 1 x 2 with Clip Horizontal on Side | Magenta | 11476 | 6313117 | €0,15 |
| 2 | Slope Curved 2 x 1 No Studs [1/2 Bow] | Sand Blue | 11477 | 6179812 | €0,06 |
| 2 | Plate Special 1 x 2 5.9mm Centre Side Towball Socket | Light Bluish Gray | 14704 | 6043656 | €0,13 |
| 3 | Tile Round 2 x 2 with Bottom Stud Holder | Dark Purple | 14769 | 6097501 | €0,07 |
| 1 | Tile Round 2 x 2 with Dragon Head, White Gear in Dark Azure Circle print | Pearl Gold | 14769pr9988 | 6467216 | — |
| 3 | Tile Special 1 x 2 with Two Vertical Teeth / Tooth | Black | 15209 | 6127506 | — |
| 1 | Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) | Pearl Gold | 15573 | 6092594 | €0,06 |
| 2 | Wedge Plate 4 Stud 45° Angle Plate | Black | 15706 | 6054852 | €0,22 |
| 2 | Creature Body Part, Barb Large (Claw, Talon) with Clip | Black | 16770 | 6254273 | €0,19 |
| 1 | Plate Round Corners 2 x 6 Double | Black | 18980 | 6105963 | €0,18 |
| 2 | Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] | Pearl Gold | 21459 | 6116596 | €0,13 |
| 1 | Tile Special 2 x 3 Pentagonal | Dark Green | 22385 | 6285134 | €0,13 |
| 2 | Plate Special 1 x 2 with End Towball | Dark Bluish Gray | 22890 | 6123814 | €0,16 |
| 1 | Plant, Leaves 4 x 3 | Magenta | 2423 | 6268822 | €0,15 |
| 1 | Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) | Bright Light Orange | 27167 | 6166889 | — |
| 1 | Wheel Arch, Mudguard 3 x 4 with 2 x 2 Plate | Dark Bluish Gray | 28326 | 6178912 | €0,17 |
| 2 | Brick 1 x 2 | Magenta | 3004 | 4519195 | €0,11 |
| 1 | Plate 2 x 3 | Bright Light Orange | 3021 | 6097503 | €0,13 |
| 1 | Plate 2 x 2 | Dark Purple | 3022 | 6047422 | €0,10 |
| 1 | Rock 1 x 1 Crystal 5 Point | Opal Trans-Purple | 30385 | 6507866 | €0,18 |
| 4 | Slope 45° 2 x 1 with Bottom Pin | Magenta | 3040b | 4625626 | €0,10 |
| 2 | Slope Curved 2 x 2 with Lip, No Studs | Black | 30602 | 6476459 | €0,17 |
| 1 | Brick Round 1 x 1 Open Stud | Magenta | 3062b | 6172869 | €0,06 |
| 2 | Tile 2 x 2 with Groove | Bright Light Orange | 3068b | 6020147 | €0,07 |
| 1 | Wedge Plate 4 x 6 Cut Corners | Black | 32059 | 4129572 | €0,53 |
| 1 | Plate Special 2 x 2 with Only 2 studs | Black | 33909 | 6192346 | €0,06 |
| 1 | Plate 1 x 6 | Dark Blue | 3666 | 4508313 | €0,17 |
| 1 | Technic Pin without Friction Ridges Lengthwise | Yellow | 3673 | 6331822 | €0,05 |
| 1 | Technic Brick 1 x 2 [1 Pin Hole] | Dark Bluish Gray | 3700 | 4211111 | €0,12 |
| 3 | Plate 2 x 6 | Bright Light Orange | 3795 | 6097509 | €0,19 |
| 1 | Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section | Black | 40379 | 6055070 | €0,21 |
| 1 | Bar 1 x 4 x 2 with Studs | Black | 4083 | 408326 | €0,31 |
| 1 | Large Figure Weapon 6 Blade Ninja Star / Shuriken | Pearl Gold | 41125 | 6421595 | €0,75 |
| 2 | Plate Special 1 x 2 [Open O Top Clip] | Light Bluish Gray | 44861 | 6326078 | €0,15 |
| 2 | Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End | Pearl Gold | 47456 | 6357918 | €0,18 |
| 1 | Rock Panel 2 x 4 x 6 | Dark Blue | 47847 | 6430006 | — |
| 1 | Brick Special 1 x 1 with Studs on 2 Sides | Black | 47905 | 4214559 | €0,11 |
| 1 | Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets | Black | 48172 | 6296186 | €0,96 |
| 3 | Plate Special 1 x 2 [Side Handle Closed Ends] | Dark Bluish Gray | 48336 | 6146321 | €0,07 |
| 1 | Wedge Plate 2 x 4 | Black | 51739 | 4531412 | €0,10 |
| 1 | Slope Inverted 45° 6 x 1 Double with 1 x 4 Recessed | Black | 52501 | 6064228 | €0,27 |
| 1 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Trans-Red | 54200 | 6245252 | €0,08 |
| 5 | Plate Special 1 x 2 with Clips Horizontal [Open O Clips] | Black | 60470b | 6310268 | €0,16 |
| 2 | Plate Special 1 x 2 with Handle on End [Closed Ends] | Black | 60478 | 4515368 | €0,06 |
| 1 | Technic Pin with Friction Ridges Lengthwise with No Center Slots | Black | 61332 | 6279875 | €0,06 |
| 1 | Launcher, Brick Special 1 x 4 with Inside Clips (Disk Shooter) | Light Bluish Gray | 63783 | 6351294 | €0,68 |
| 1 | Wedge 4 x 4 Fractured Polygon Top | Opal Trans-Purple | 64867 | 6442194 | — |
| 1 | Wedge Plate 4 x 8 Cut Corners | Dark Tan | 68297 | 6439782 | €0,64 |
| 2 | Brick Curved, 3 x 1 with 1/3 Inverted Cutout | Black | 70681 | 6328095 | €0,13 |
| 1 | Mech Leg, Right, with Black Pin | Bright Light Orange | 70943c01 | 6491198 | — |
| 1 | Mech Leg, Left, with Black Pin | Bright Light Orange | 70946c01 | 6491182 | — |
| 1 | Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate | Light Bluish Gray | 73109 | 6326478 | €0,21 |
| 1 | Shield Round Bowed with Gold Dragon, Red Eyes, Fans print | Pearl Gold | 75902pr0022 | 6464346 | — |
| 2 | Plate Angled 2 x 2 with Step and Hole in Center | Dark Green | 79846 | 6467608 | — |
| 1 | Bar 3L | Pearl Gold | 87994 | 6093529 | €0,06 |
| 1 | Weapon Sword / Khopesh | Flat Silver | 93247 | 6461579 | €0,31 |
| 6 | Slope Curved 4 x 1 Double with No Studs | Dark Blue | 93273 | 6037886 | €0,15 |
| 2 | Weapon Pike / Spear Flat End | Flat Silver | 93789 | 4611883 | €0,12 |
| 1 | Weapon Sword, Big Blade with Bar | Pearl Gold | 98137 | 6270131 | €0,34 |
| 1 | Cockpit 4 x 2 x 3 with Pin Hole, and 2 Clips | Light Bluish Gray | 98876 | 6453106 | — |
| 1 | Hips and Bright Light Orange Legs with Sand Green Belt, Knee Caps, Orange Toes print | Bright Light Orange | 970c38pr0001 | 6434460 | — |
| 1 | Torso, Odd Arms, Sweater, Pockets, White Undershirt and Symbol, Orange Dragon print, Left Bright Light Orange Arm, Right Orange Arm, Black Hands | Bright Light Orange | 973e132pr0001 | 6437858 | — |
| 1 | Wrap with Short Back Knot Smooth, Pearl Gold Mask pattern | Bright Light Orange | 4910pat0005 | 6469804 | — |
| 1 | Minifig Head Arin, Thick Raised Eyebrows, Smirk, Stubbles print | Yellow | 28621pr3991 | 6434457 | — |
| 1 | Hips and Dark Blue Legs with Dark Bluish Grey/Dark Azure Belt, Dark Purple Coat, Silver Trimming, White Fangs print | Dark Blue | 970c05pr0003 | 6464354 | — |
| 1 | Minifig Head Wolf Warrior, Silver Face Mask, Nougat Eye Shadow, Black Eyes / Blue Eyes and Fangs Print | Dark Blue | 28621pr0012 | 6464352 | — |
| 1 | Minifig Neckwear Armor Shoulder Pads | Dark Blue | 41637 | 6315048 | €0,19 |
| 1 | Torso, Robe, Black Sash with Dark Azure Asian Symbols, Dark Purple Trim, Dark Azure/Silver Decorations print, Dark Blue Arms, Dark Purple Hands | Dark Blue | 973c05h09pr0002 | 6469272 | — |
| 1 | Wrap with Wolf Mask with Medium Azure Eyes, Teeth/Fangs pattern | Dark Blue | 4919pat0001 | 6468746 | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/71804-1-arins-battle-mech
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/71804-1-arins-battle-mech