Arin's Battle Mech

Arin's Battle Mech (71804-1) is a set in the Ninjago theme, released in 2024. It has 95 pieces and 2 minifigures.

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Number:71804-1
Released:January 2024
Pieces:95
Box size:20.5 × 19.1 × 4.6 cm
Theme:Ninjago

Box size and weight as measured by Brickset.

In numbers

Over the last 30 days the lowest shop price recorded for this set was 13.09 USD, taken from 30 days with a price on record.

Since 9/25/2026 the lowest shop price has fallen from 14.14 USD to 13.15 USD, by 7 % (based on 42 days with a price on record).

LEGO planned to retire this set in December 2025.

Product details

Number: 71804-1
Name: Arin's Battle Mech
Theme: Ninjago
Released: January 2024
Launched: January 2024
Retired: January 2026 in the United States
Pieces: 95
Minifigures: 2
RRP: ≈ 14.04 USD (19.99 CAD) (Canada)≈ 16.83 USD (14.99 EUR) (Germany)≈ 17.15 USD (12.99 GBP) (United Kingdom)15.99 USD (United States)
Price per piece: ≈ 0.148 USD (0.210 CAD) (Canada)≈ 0.177 USD (0.158 EUR) (Germany)≈ 0.181 USD (0.137 GBP) (United Kingdom)0.168 USD (United States)
Best price (30 days): 13.09 USD
Price per piece (best offer): 0.138 USD

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

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View the price guide on BrickLink

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Pricing

Best price ever≈ 13.09 USD (11.76 EUR) Advertising Sealed · gross · idee+spiel · seen 10/28/2026

Current best offer≈ 13.15 USD (11.76 EUR) Advertising Sealed · gross · idee+spiel · seen 11/3/2026

Price history

Lowest shop price now13.15 USD
Lowest ever 13.09 USD

Each day's lowest price among the shops' current offers, including VAT. A price in another currency is converted at the ECB reference rate of its day.

Monthly lows as a table

Month	Lowest price
November 2026	13.14 USD
October 2026	13.09 USD
September 2026	13.41 USD

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition

Nobody has sold this set recently.

Sources idee+spiel: 46 · BRICKMO: 3

Latest price from each shop

Sorted: lowest price first Show highest first

Countries (all)

Show prices for

Austria (AT)

Germany (DE)

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What each source tells us:

Shops: the country they are in, and a delivery within it. None says whether it delivers abroad.
LEGO's own shops: one storefront per country, each delivering within its country.
Hugendubel: in Germany, delivering to Germany and to Austria.
eBay: the country the item is in, and a delivery within the country of the eBay site it is listed on.
BrickLink: averages over sellers worldwide - no seller's country and no delivery.

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idee+spiel Sealed · gross · seen 11/3/2026

≈ 13.15 USD (11.76 EUR)

Go to shop

BRICKMO Sealed · gross · seen 11/5/2026

≈ 16.78 USD (14.95 EUR)

Go to shop

Amazon.com BrickDb shows no Amazon prices. The link opens a search for this set on Amazon's own site.

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Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 14.04 USD (19.99 CAD) unknown tax basis Available 12/6/2023 to 1/10/2026.Recorded by BrickDb since 10/2/2026

Germany ≈ 16.83 USD (14.99 EUR) gross Available 12/6/2023 to 11/28/2025.Recorded by BrickDb since 10/2/2026

United Kingdom ≈ 17.15 USD (12.99 GBP) gross Available 12/6/2023 to 11/23/2025.Recorded by BrickDb since 10/2/2026

United States 15.99 USD net Available 12/6/2023 to 1/10/2026.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

65 inventory lines

Catalogue image of the part Plate Special 1 x 2 with Clip Horizontal on Side

Plate Special 1 x 2 with Clip Horizontal on Side 11476· Magenta

×1

Catalogue image of the part Brick Curved 2 x 1 No Studs [1/2 Bow]

Brick Curved 2 x 1 No Studs [1/2 Bow] 11477· Sand Blue

×2

Catalogue image of the part Plate Special 1 x 2 5.9mm Centre Side Towball Socket

Plate Special 1 x 2 5.9mm Centre Side Towball Socket 14704· Light Bluish Gray

×2

Catalogue image of the part Tile Round 2 x 2 with Bottom Stud Holder

Tile Round 2 x 2 with Bottom Stud Holder 14769· Dark Purple

×3

Catalogue image of the part Tile Round 2 x 2 with Dragon Head, White Gear in Dark Azure Circle print

Tile Round 2 x 2 with Dragon Head, White Gear in Dark Azure Circle print 14769pr9988· Pearl Gold

×1

Catalogue image of the part Tile Special 1 x 2 with Two Vertical Teeth / Tooth

Tile Special 1 x 2 with Two Vertical Teeth / Tooth 15209· Black

×3

Catalogue image of the part Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573· Pearl Gold

×1

Catalogue image of the part Wedge Plate 4 Stud 45° Angle Plate

Wedge Plate 4 Stud 45° Angle Plate 15706· Black

×2

Catalogue image of the part Creature Body Part, Barb Large (Claw, Talon) with Clip

Creature Body Part, Barb Large (Claw, Talon) with Clip 16770· Black

×2

Catalogue image of the part Plate Round Corners 2 x 6 Double

Plate Round Corners 2 x 6 Double 18980· Black

×1

Catalogue image of the part Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]

Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] 21459· Pearl Gold

×2

Catalogue image of the part Tile Special 2 x 3 Pentagonal

Tile Special 2 x 3 Pentagonal 22385· Dark Green

×1

Catalogue image of the part Plate Special 1 x 2 with End Towball

Plate Special 1 x 2 with End Towball 22890· Dark Bluish Gray

×2

Catalogue image of the part Plant, Leaves 4 x 3

Plant, Leaves 4 x 3 2423· Magenta

×1

Catalogue image of the part Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor)

Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) 27167· Bright Light Orange

×1

Catalogue image of the part Wheel Arch, Mudguard 3 x 4 with 2 x 2 Plate

Wheel Arch, Mudguard 3 x 4 with 2 x 2 Plate 28326· Dark Bluish Gray

×1

2 minifigures

Minifigures in this set

Arin, Ninja Headwrap

/ fig-014564 /

No retail priceNo recent sales

Wolf Mask Warrior, Shoulder Pads

/ fig-014563 /

No retail priceNo recent sales

Same theme, piece count within 15 %

Similar sets

Catalogue image of Kai and Ras's Car and Bike Battle

Arin's Battle Mech

In numbers

Product details

BrickLink market data

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Building instructions

Parts in this set

Minifigures in this set

Arin, Ninja Headwrap

Wolf Mask Warrior, Shoulder Pads

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Kai and Ras's Car and Bike Battle

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