Back to sets
Reznor Knockdown Expansion Set
Super Mario
Set #71390-1

Reznor Knockdown Expansion Set

Piece count, minifigures, release year, and a quick overview of the set.

862
Pieces
0
Minifigs
2021
Year

Qualifying purchases may earn commissions. Pricing and availability vary by region.

Overview

Highly recommended for fans of the source material and intricate builds.

Build experience56%
Playability61%
Display value75%

About this set

The LEGO Reznor Knockdown Expansion Set (71390-1) is a standout addition to the Super Mario theme. Released in 2021, this set comprises 862 pieces and includes 0 minifigures, offering a comprehensive building experience that caters to both casual fans and dedicated collectors. Whether you're looking for a center-piece for your display or a functional set for play, the Reznor Knockdown Expansion Set delivers on multiple fronts with its authentic design and quality components.

Quick highlights

Pros
  • Challenging and rewarding build
  • Authentic source material accuracy
Cons
  • Slightly high price point
  • Niche appeal for specific fans

More from Super Mario

View all
Super Mario
Swoop
71394-52021

Swoop

30pcs0figs
View setPrice
Super Mario
Fliprus Snow Adventure Expansion Set
71417-12023

Fliprus Snow Adventure Expansion Set

567pcs0figs
View setPrice
Super Mario
Galoomba
71394-62021

Galoomba

18pcs0figs
View setPrice
Super Mario
Character Pack Series 2 - Complete Set
71386-112021

Character Pack Series 2 - Complete Set

0pcs0figs
View setPrice
SetScout

Search LEGO sets, compare the details, and check prices. Independent fan site, not affiliated with the LEGO Group.

SetScout may earn a commission from qualifying Amazon purchases.

LEGO is a trademark of the LEGO Group, which does not sponsor, authorize, or endorse this site.

2026 SetScout