Epic Battle Set - Kai vs. Skulkin

Epic Battle Set - Kai vs. Skulkin (71730-1) is a set in the Ninjago theme, released in 2021. It has 57 pieces and 2 minifigures.

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Number:71730-1
Released:January 2021
Pieces:57
Box size:21 × 21 × 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 11.12 USD, taken from 30 days with a price on record.

Since 9/25/2026 the lowest shop price has fallen from 22.79 USD to 11.17 USD, by 51 % (based on 42 days with a price on record).

LEGO planned to retire this set in December 2021.

Product details

Number: 71730-1
Name: Epic Battle Set - Kai vs. Skulkin
Theme: Ninjago
Released: January 2021
Launched: January 2021
Retired: October 2021 in the United States
Pieces: 57
Minifigures: 2
RRP: ≈ 9.96 USD (13.99 CAD) (Canada)≈ 11.22 USD (9.99 EUR) (Germany)≈ 11.07 USD (42.99 PLN) (PL)≈ 12.05 USD (8.99 GBP) (United Kingdom)9.99 USD (United States)
Price per piece: ≈ 0.175 USD (0.245 CAD) (Canada)≈ 0.197 USD (0.175 EUR) (Germany)≈ 0.194 USD (0.754 PLN) (PL)≈ 0.211 USD (0.158 GBP) (United Kingdom)0.175 USD (United States)
Best price (30 days): 11.12 USD
Price per piece (best offer): 0.196 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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Pricing

Best price ever≈ 11.12 USD (9.99 EUR) Advertising Sealed · gross · idee+spiel · seen 10/28/2026 Not compared yet, no exchange rate: 28 in other currencies

Current best offer≈ 11.17 USD (9.99 EUR) Advertising Sealed · gross · idee+spiel · seen 11/3/2026

Price history

Lowest shop price now11.17 USD
Lowest ever 11.12 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	11.16 USD
October 2026	11.12 USD
September 2026	22.70 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: 45 · Data in Brief: 28

Latest price from each shop

Sorted: lowest price first Show highest first

Countries (all)

Show prices for

Germany (DE)

Poland (PL)

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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

≈ 11.17 USD (9.99 EUR)

Go to shop

Data in Brief Sealed · gross · sold 5/1/2023

39.99 PLN

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 ≈ 9.96 USD (13.99 CAD) unknown tax basis Available 1/2/2021 to 10/14/2021.Recorded by BrickDb since 10/2/2026

Germany ≈ 11.22 USD (9.99 EUR) gross Available 1/2/2021 to 9/11/2022.Recorded by BrickDb since 10/2/2026

PL ≈ 11.07 USD (42.99 PLN) gross No availability dates published.Recorded by BrickDb since 10/21/2026

United Kingdom ≈ 12.05 USD (8.99 GBP) gross Available 1/1/2021 to 9/11/2022.Recorded by BrickDb since 10/2/2026

United States 9.99 USD net Available 1/2/2021 to 10/14/2021.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

42 inventory lines

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· Dark Red

×4

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

Tile Round 2 x 2 with Bottom Stud Holder 14769· Pearl Gold

×1

Catalogue image of the part Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version]

Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] 15672· Dark Bluish Gray

×4

Catalogue image of the part Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Plate Special Round 2 x 2 with Center Stud (Jumper Plate) 18674· Dark Bluish Gray

×1

Catalogue image of the part Plant, Leaves 6 x 5

Plant, Leaves 6 x 5 2417· Bright Light Orange

×1

Catalogue image of the part Brick 1 x 1 x 5 with Solid Stud

Brick 1 x 1 x 5 with Solid Stud 2453b· Tan

×2

Catalogue image of the part Plant, Flower, Plate Round 1 x 1 with 5 Petals

Plant, Flower, Plate Round 1 x 1 with 5 Petals 24866· Bright Light Orange

×1

Plate 2 x 8 3034· Reddish Brown

×1

Catalogue image of the part Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L

Plate Special Round 1 x 1 with Hollow Stud and Horizontal Bar 1L 32828· Black

×2

Plate 1 x 8 3460· Dark Red

×1

Catalogue image of the part Plate Special 1 x 2 Rounded with 2 Open Studs

Plate Special 1 x 2 Rounded with 2 Open Studs 35480· Reddish Brown

×2

Catalogue image of the part Weapon Sword Hilt with Dragon Head

Weapon Sword Hilt with Dragon Head 36017· Pearl Gold

×1

Catalogue image of the part Minifig Head [Plain] [Hollow Stud]

Minifig Head [Plain] [Hollow Stud] 3626c· Reddish Brown

×1

Catalogue image of the part Bracket 1 x 1 - 1 x 1 Inverted

Bracket 1 x 1 - 1 x 1 Inverted 36840· Reddish Brown

×2

Plate 1 x 4 3710· Dark Tan

×1

Catalogue image of the part Brick Round 2 x 2 with Axle Hole

Brick Round 2 x 2 with Axle Hole 3941· Red

×2

2 minifigures

Minifigures in this set

Kai - White Torso, Red Legs

/ fig-010952 /

No retail priceNo recent sales

Wyplash - Tan Hat

/ fig-010953 /

No retail priceNo recent sales

Same theme, piece count within 15 %

Similar sets

Catalogue image of Kai - Spinjitzu Master

Epic Battle Set - Kai vs. Skulkin

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

Kai - White Torso, Red Legs

Wyplash - Tan Hat

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