How many pieces does the LEGO Reznor Knockdown Expansion Set (71390-1) have?

The LEGO Reznor Knockdown Expansion Set set (71390-1) contains 862 pieces. It was released in 2021 as part of the LEGO Super Mario theme.

How can I find missing parts for LEGO set 71390-1?

On BrickMissing you can check which parts from the LEGO Reznor Knockdown Expansion Set (71390-1) you already own. Add your LEGO collection and we'll show exactly which of the 862 pieces you're missing and which you already have.

Can I build the LEGO Reznor Knockdown Expansion Set 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 862 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Reznor Knockdown Expansion Set from?

The LEGO Reznor Knockdown Expansion Set (71390-1) belongs to the LEGO Super Mario theme. You can browse all Super Mario sets on BrickMissing to find more sets from this theme.

Reznor Knockdown Expansion Set

71390-1 Super Mario 2021 862 parts 4.6% catalog rarity Advanced

Make the LEGO Super Mario universe extra exciting with the Reznor Knockdown Expansion Set (71390). Engage in Reznor-spinning, Blue Toad-rescuing action! This set features buildable rotating platforms that spin when LEGO Mario and/or LEGO Luigi (figures not included) are placed on the connected stand. Use the Skewer to knock the 2 Reznor figures off the platforms and rescue the Blue Toad. Challenge yourself further with a seesawing Grrrol, a ? Block, and a Special Pipe: Speed Run for thrilling speed challenges. Play solo, team up, or compete against a friend with their LEGO Mario or LEGO Luigi figure. The 71360 or 71387 Starter Course is required for play. Collectible LEGO Super Mario characters bring endless fun.

Parts Inventory

🧱 862 parts

Showing the first 12 rows of the parts list (862 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Black	3×	€0,10 View at LEGO → View
Light Bluish Gray	1×	€0,10 View at LEGO → View
Red	4×	€0,13 View at LEGO → View
Light Bluish Gray	1×	€0,12 View at LEGO → View
Medium Nougat	3×	€0,41 View at LEGO → View
Light Bluish Gray	6×	€0,35 View at LEGO → View
Light Bluish Gray	4×	€0,10 View at LEGO → View
Light Bluish Gray	8×	€0,06 View at LEGO → View
Sand Green	4×	€0,06 View at LEGO → View
Light Bluish Gray	1×	€0,07 View at LEGO → View
Black	4×	€0,07 View at LEGO → View
Blue	1×	€0,07 View at LEGO → View

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Catalog rarity

How common are the parts in Reznor Knockdown Expansion Set?

4.6%Moderate rarity

more commonless common

13 of 285 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

9.3%

All sets

6.7%

Least common in our catalog

Slope Curved 2 x 2 x 2/3 · Light Bluish Gray · only this set in our catalogTile 2 x 2 · Red · only this set in our catalogTile 2 x 2 · Light Bluish Gray · only this set in our catalog

How we calculate this →