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 10.1% catalog rarity 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.

71804-1

3D build progress

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Parts Inventory

🧱 104 parts

Showing the first 12 rows of the parts list (104 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Magenta	1×	€0,15 View at LEGO → View
Sand Blue	2×	€0,06 View at LEGO → View
Light Bluish Gray	2×	€0,13 View at LEGO → View
Dark Purple	3×	€0,07 View at LEGO → View
Pearl Gold	1×	Check price → View
Black	3×	Check price → View
Pearl Gold	1×	€0,06 View at LEGO → View
Black	2×	€0,22 View at LEGO → View
Black	2×	€0,19 View at LEGO → View
Black	1×	€0,18 View at LEGO → View
Pearl Gold	2×	€0,13 View at LEGO → View
Dark Green	1×	€0,13 View at LEGO → View

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Catalog rarity

How common are the parts in Arin's Battle Mech?

10.1%Moderate rarity

more commonless common

7 of 69 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

6.4%

All sets

6.7%

Least common in our catalog

Plate Angled 2 x 2 · Dark Green · only this set in our catalogWrap · Bright Light Orange · 2 sets in our catalogMech Leg, Right, · Bright Light Orange · 2 sets in our catalog

How we calculate this →