LEGO 71804
Arin's Battle Mech

LEGO 71804 Arin's Battle Mech box image
Set number
71804
Theme
Ninjago
Pieces
104 pcs
Year
2024
Lowest new price¥1,756〜as of 7/26
Used & parts
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“Arin's Battle Mech” is LEGO® “Ninjago” theme set number 71804. Released in 2024, it has 104 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 60 types

Color split (most first)
Black×28
Pearl Gold×10
Bright Light Orange×9
Magenta×9
Dark Blue×8
Dark Bluish Gray×7
Light Bluish Gray×7
Dark Purple×4
Dark Green×3
Flat Silver×3
Opal Trans-Purple×2
Sand Blue×2
Main parts (most used first)
93273 Slope Curved 4 x 1 Double with No Studs
Dark Blue · ×6
60470b Plate Special 1 x 2 with Clips Horizontal [Open O Clips]
Black · ×5
3040b Slope 45° 2 x 1 with Bottom Pin
Magenta · ×4
48336 Plate Special 1 x 2 [Side Handle Closed Ends]
Dark Bluish Gray · ×3
14769 Tile Round 2 x 2 with Bottom Stud Holder
Dark Purple · ×3
15209 Tile Special 1 x 2 with Two Vertical Teeth / Tooth
Black · ×3
3795 Plate 2 x 6
Bright Light Orange · ×3
60478 Plate Special 1 x 2 with Handle on End [Closed Ends]
Black · ×2
70681 Brick Curved, 3 x 1 with 1/3 Inverted Cutout
Black · ×2
79846 Plate Angled 2 x 2 with Step and Hole in Center
Dark Green · ×2
93789 Weapon Pike / Spear Flat End
Flat Silver · ×2
11477 Slope Curved 2 x 1 No Studs [1/2 Bow]
Sand Blue · ×2
14704 Plate Special 1 x 2 5.9mm Centre Side Towball Socket
Light Bluish Gray · ×2
15706 Wedge Plate 4 Stud 45° Angle Plate
Black · ×2
16770 Creature Body Part, Barb Large (Claw, Talon) with Clip
Black · ×2
21459 Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]
Pearl Gold · ×2
22890 Plate Special 1 x 2 with End Towball
Dark Bluish Gray · ×2
3004 Brick 1 x 2
Magenta · ×2
30602 Slope Curved 2 x 2 with Lip, No Studs
Black · ×2
3068b Tile 2 x 2 with Groove
Bright Light Orange · ×2
44861 Plate Special 1 x 2 [Open O Top Clip]
Light Bluish Gray · ×2
47456 Wedge Curved 2 x 3 x 2/3 Two Studs, Wing End
Pearl Gold · ×2
48172 Technic Brick Special 2 x 2 with Pin Hole, with 2 Rotation Joint Sockets
Black · ×1
51739 Wedge Plate 2 x 4
Black · ×1

More “Ninjago” theme sets

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