SPEED BUILD!! LEGO Super Mario Reznor Knockdown Expansion Set 71390

Hey guys! We have created this speed build of LEGO Super Mario Reznor Knockdown Expansion Set 71390. This is a new release for August 2021. The Reznor Knockdown Expansion Set features one of our favourite, BLUE TOAD! It also comes with Grrrol and 2 Reznors as well. We especially enjoy how LEGO included a small yellow question mark box!


This set did not contain an instruction booklet, instead LEGO has it online. You can see the instructions HERE.

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Super Mario Reznor Knockdown Expansion Set 71390

  • Set #: 71390
  • Set Theme: Super Mario
  • Set Name: Reznor Knockdown
  • Recommended Age: 8+
  • # of Parts:  862
  • Figures: 2 Reznors, a rocking Grrrol, a Blue Toad
  • Release Date: August 01, 2021
  • Price: $69.99 USD

In addition to the speed build, we captured some FREE images for you below. To download these (and a few more) high-resolution photos click HERE.

On June 23, 2021 we posted the LEGO Super Mario Summer 2021 sets. Click HERE to see the set details and official images of the Reznor Knockdown Expansion Set 71390 and more!

Super Mario fan? Check out our speed build for Bowser’s Airship 71391:

What do you think of our speed builds? Would you like to see a specific set next? Comment below!

Happy LEGO Building!

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