Reznor Knockdown Expansion Set

Reznor Knockdown Expansion Set (71390-1) is a set in the Super Mario theme, released in 2021. It has 862 pieces.

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Number:71390-1
Released:August 2021
Pieces:862
Box size:54 × 28.2 × 7.9 cm
Theme:Super Mario

Box size and weight as measured by Brickset.

In numbers

LEGO planned to retire this set in July 2022.

Product details

Number: 71390-1
Name: Reznor Knockdown Expansion Set
Theme: Super Mario
Released: August 2021
Launched: August 2021
Retired: July 2022
Pieces: 862
RRP: ≈ 64.07 USD (89.99 CAD) (Canada)≈ 78.63 USD (69.99 EUR) (Germany)≈ 84.96 USD (329.99 PLN) (PL)≈ 80.40 USD (59.99 GBP) (United Kingdom)69.99 USD (United States)
Price per piece: ≈ 0.074 USD (0.104 CAD) (Canada)≈ 0.091 USD (0.081 EUR) (Germany)≈ 0.099 USD (0.383 PLN) (PL)≈ 0.093 USD (0.070 GBP) (United Kingdom)0.081 USD (United States)
Barcodes from shop data, not confirmed: EAN-13 5702016913293

≈ 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≈ 54.51 USD (48.98 EUR) Advertising Sealed · gross · idee+spiel · seen 10/29/2026 Not compared yet, no exchange rate: 25 in other currencies

Current best offerNo current offer we can compare.

Price history

There are not enough shop prices in this range to draw a chart yet.

≈ 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 · Proshop: 29 · Data in Brief: 25 · BRICKMO: 5 · OTTO: 1

Latest price from each shop

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Show prices for

Austria (AT)

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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 11/7/2026

≈ 54.69 USD (48.98 EUR)

Go to shop

OTTO Sealed · gross · seen 11/7/2026

≈ 63.53 USD (56.90 EUR)

Go to shop

BRICKMO Sealed · gross · seen 11/7/2026

≈ 78.10 USD (69.95 EUR)

Go to shop

Proshop Sealed · gross · seen 11/7/2026

≈ 88.10 USD (78.91 EUR)

Go to shop

Data in Brief Sealed · gross · sold 6/1/2023

199.00 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 ≈ 64.07 USD (89.99 CAD) unknown tax basis Available since 8/3/2021 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

Germany ≈ 78.63 USD (69.99 EUR) gross Available 8/2/2021 to 4/25/2023.Recorded by BrickDb since 10/2/2026

PL ≈ 84.96 USD (329.99 PLN) gross No availability dates published.Recorded by BrickDb since 10/21/2026

United Kingdom ≈ 80.40 USD (59.99 GBP) gross Available 8/1/2021 to 4/24/2023.Recorded by BrickDb since 10/2/2026

United States 69.99 USD net Available since 8/2/2021 — still on sale as far as we know.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

285 inventory lines

Catalogue image of the part Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib]

Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] 10247· Black

×3

Catalogue image of the part Tile Special 2 x 2 Inverted

Tile Special 2 x 2 Inverted 11203· Light Bluish Gray

×1

Catalogue image of the part Brick Special 1 x 2 with 2 Studs on 1 Side

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Red

×4

Plate 3 x 3 11212· Light Bluish Gray

×1

Catalogue image of the part Plate Round 6 x 6 with Hole

Plate Round 6 x 6 with Hole 11213· Medium Nougat

×3

Catalogue image of the part Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom

Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom 11215· Light Bluish Gray

×6

Catalogue image of the part Plate Special 1 x 2 with Pin Hole on Top

Plate Special 1 x 2 with Pin Hole on Top 11458· Light Bluish Gray

×4

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· Light Bluish Gray

×8

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

×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· Black

×4

Tile Round 2 x 2 with Bottom Stud Holder 14769· Blue

×1

Tile Round 2 x 2 with Bottom Stud Holder 14769· Light Bluish Gray

×1

Catalogue image of the part Brick Curved 2 x 2 x 2/3

Brick Curved 2 x 2 x 2/3 15068· Red

×1

Brick Curved 2 x 2 x 2/3 15068· Bright Green

×2

Brick Curved 2 x 2 x 2/3 15068· Light Bluish Gray

×1

Catalogue image of the part Brick Curved 2 x 2 x 2/3 with Black Mouth, White Eyes print

Brick Curved 2 x 2 x 2/3 with Black Mouth, White Eyes print 15068pr0052· Light Bluish Gray

×2

Same theme, piece count within 15 %

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Catalogue image of Luigi's Mansion Haunt-and-Seek Expansion Set

Reznor Knockdown Expansion Set

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

Similar sets

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