Do I need a starter set to use 71431?

You can build and display the car on its own, but the interactive scanning features only work with a screen-equipped starter figure from a separate LEGO Super Mario set.

Does the set include a Bowser minifigure?

No, 71431 is a vehicle-only expansion set; all 458 pieces are used to build the muscle car itself.

What colours make up the model?

The build is dominated by light bluish grey, black, dark purple and tan; the exact breakdown is listed in the parts list on this page.

Super Mario

Bowser's Muscle Car Expansion Set

Set 71431 adds a menacing muscle car to the interactive LEGO® Super Mario line, built for Bowser rather than for Mario himself. At 458 pieces and 182 unique elements, it sits comfortably among the mid-sized vehicle expansions. Grey, black, dark purple and tan give the car a heavy, villainous look.

Set number: 71431
Year: 2024
Pieces: 458
Minifigures: 0
Theme: Super Mario
Different parts: 182

What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 182

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (24)

These extra parts come with the set in case one gets lost.

Description

An expansion, not a standalone toy

Like every LEGO Super Mario expansion, 71431 only becomes interactive once paired with a starter set containing a screen-equipped Mario, Luigi or Peach figure. On its own, the muscle car is a static build with no included minifigure – all 458 pieces go into the vehicle itself. Owners of a starter figure can drive it through their own courses and combine it with the colour-coded action bricks bundled in the box. Without a starter set, the car still builds and displays in full, just without any interactive functions.

Reading the shape of the build

The 182 unique elements are concentrated in the car's flared wheel arches, exhaust stacks and spiked front grille, details that mark it unmistakably as Bowser's ride rather than a generic hot rod. Light bluish grey and black form the chassis and engine block, while dark purple and tan add the paint job and trim that separate this build from Mario's own kart designs. That high proportion of specialised parts is what sets 71431 apart from simpler vehicle expansions in the range.

Where it sits size-wise

At 458 pieces, this expansion is larger than the small add-on packs in the range but well below the biggest level sets, making it a reasonable weekend build rather than a multi-day project. The parts list on this page breaks every element down by colour and quantity, useful for spotting a missing piece or checking which shades appear before planning a repaint or a custom build. The build progresses from chassis to bodywork to detailing, giving the construction a clear sense of stages.

Who it's aimed at

71431 suits collectors already invested in the interactive Super Mario ecosystem who want a villain vehicle to round out their courses, and equally appeals to builders after grey, black and dark purple parts for unrelated vehicle or diorama projects. Without a starter figure, it still stands on its own as a display piece. For anyone already collecting the range's vehicles, it adds a noticeably darker, more aggressive design to balance out Mario's own karts.

FAQ

Do I need a starter set to use 71431?: You can build and display the car on its own, but the interactive scanning features only work with a screen-equipped starter figure from a separate LEGO Super Mario set.
Does the set include a Bowser minifigure?: No, 71431 is a vehicle-only expansion set; all 458 pieces are used to build the muscle car itself.
What colours make up the model?: The build is dominated by light bluish grey, black, dark purple and tan; the exact breakdown is listed in the parts list on this page.