LEGO Super Mario Boss Sumo Bro Topple Tower Expansion Set 71388

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Retired Product!

Hurry, this set has been retired by LEGO.  We have strictly limited stock available - once it is sold, there is no more!  This is your last chance to purchase this set.


Topple the tower and enjoy playful teamwork with a larger-than-life boss battle

The Boss Sumo Bro Topple Tower Expansion Set brings energetic, hands-on action to the LEGO Super Mario world, designed for kids aged 5–6 who enjoy big movement and clear cause-and-effect play. The challenge is easy to understand but exciting to repeat, helping young builders feel confident as they learn how their actions change the game.

This set is especially well suited to solo play or gentle teamwork. Children can take turns or work together, discovering that cooperation can unlock extra rewards, while still keeping play friendly, fun, and easy to manage.

The build features a tall tower with Boss Sumo Bro at the top, which rocks back and forth when LEGO Mario or LEGO Luigi (figures not included) stomp on the levers at the base. The tower height can be adjusted to change the challenge level, and when Boss Sumo Bro is finally toppled, a Super Star Block is revealed. The set also includes a Crowber figure, adding variety and replay value to each attempt.

A LEGO Super Mario Starter Course (71360 or 71387) is required for interactive play. Building instructions and creative ideas are available on the free LEGO Super Mario app, helping kids and grown-ups build together and keep expanding their Super Mario adventures.

  • Age: 6+ years
  • Item: 71388
  • Pieces: 231
  • Release Date: August 2021