LEGO 71423 Dry Bowser Castle Battle Expansion Set: Set Guide

Specifications

Set number	71423
Release year	2023
Piece count	1,321
Minifigures	0
Theme	Super Mario
Building instructions	Download the instructions on lego.com

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LEGO set 71423, Dry Bowser Castle Battle Expansion Set, depicts a castle setting associated with Dry Bowser in the Super Mario universe. Released in 2023 under the Super Mario theme, it contains 1321 pieces and belongs to the licence’s interactive expansion range.

This model represents a hostile castle environment from Super Mario, translated into a buildable LEGO setting. Within the LEGO Super Mario theme, it functions as an expansion rather than a standalone minifigure scale building, providing a larger scene that can be connected with an existing play layout.

With 1321 pieces, the set builds a substantial castle structure with decorative areas, routes through the model and sections intended to support theme based interaction.

It is aimed at Super Mario collectors who want to extend a course, as well as builders interested in a recognisable video game castle scene. In the wider theme, it sits as a major setting piece, suitable for play, display or combination with other compatible Super Mario sets.

Inventory of set 71423

The inventory of set 71423 lists 1,321 pieces, spare parts excluded: 467 different lots (one shape in one color) for 284 part shapes.

Colors of set 71423

Main color: light bluish gray, making up 25% of the parts, followed by black (16%) and white (10%).

Color	Parts	Share
Light Bluish Gray	325	25%
Black	217	16%
White	132	10%
Dark Bluish Gray	118	8.9%
Red	98	7.4%
Tan	96	7.3%
Orange	62	4.7%
Pearl Titanium	40	3%
Reddish Brown	33	2.5%
Dark Tan	30	2.3%
Other colors (16)	170	13%

Part types

Type	Parts	Share
Plates	156	12%
Plates Special	153	12%
Bricks Sloped	128	9.7%
Bricks	100	7.6%
Plates Round Curved and Dishes	93	7%
Tiles	90	6.8%

Most common parts in set 71423

Part	Color	Quantity
Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] 22388	Tan	30
Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end 25214	Pearl Titanium	26
Brick 1 x 1 3005	Light Bluish Gray	23
Brick 1 x 2 3004	Light Bluish Gray	20
Brick 2 x 2 Corner 2357	Light Bluish Gray	18
Brick Special 1 x 1 with Headlight 4070	Black	16
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573	Black	15
Technic Pin 1/2 with Friction 89678	Red	15
Technic Pin Connector Round 1L [Beam] 18654	Pearl Titanium	14
Technic Axle 2 Notched 32062	Red	14

254 of the 284 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 71423

9 part shapes in set 71423 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. The table lists 8. Counting colors, 12 lots in the set are not found in any other set.

Part	Color
Tile 2 x 2 with Halter Weights and Barcode Print (Sticker) 3068bpr9411	Dark Bluish Gray
Tile 2 x 2 with Blueprint, Schematic Bob-omb print 3068bpr0696	Dark Tan
Tile 1 x 2 with White Eyes, Red/Orange Pupils print 3069bpr0389	Orange
Tile 2 x 4 with Blueprint of Bowser's Castle print 87079pr0315	Blue
Tile 2 x 2 with White Teeth print 3068bpr0695	Black
Tile 2 x 2 with Dry Bowser and Barcode Print (Sticker) 3068bpr9410	Dark Bluish Gray
Tile 2 x 2 with Bone Piranha Plant and Barcode Print (Sticker) 3068bpr9414	Light Aqua
Tile 2 x 2 with Super Mario Bros. 3 Map print 3068bpr0697	Tan

Rebuilding set 71423 from another set

Share of the parts of set 71423 found in each of these similarly sized sets, counting shape, colour and quantity:

Set	Found	Parts	Release year
910029 Mountain Fortress	27%	3,997	2024

No similarly sized set goes above 27%: the model relies on a little-shared assortment, most of which has to be gathered piece by piece.

Size of set 71423 within its line

With 1,321 pieces, set 71423 ranks #8 out of 92 Super Mario sets in our database, which have an average of 535 parts. Among the 518 sets released in 2023, it ranks #55. That is 2.5 times the average Super Mario set size.

Frequently asked questions

How many pieces does LEGO set 71423 Dry Bowser Castle Battle Expansion Set have?

LEGO set 71423 Dry Bowser Castle Battle Expansion Set has 1,321 pieces. It was released in 2023 as part of the Super Mario theme.

What year was LEGO set 71423 released?

Set 71423 Dry Bowser Castle Battle Expansion Set was released in 2023 and belongs to the Super Mario theme.

Which minifigures are included in set 71423?

LEGO set 71423 Dry Bowser Castle Battle Expansion Set does not include any minifigures.

Where can I find the building instructions for set 71423?

The instructions for LEGO set 71423 Dry Bowser Castle Battle Expansion Set can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 71423.

What is the main color of LEGO set 71423?

Light bluish gray, with 325 out of 1,321 pieces, or 25%. Next come black (16%) and white (10%).

How many different parts does set 71423 contain?

Set 71423 has 467 different lots (one shape in one color), covering 284 part shapes. Most common part: Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] in tan, with 30 copies.

Does LEGO set 71423 contain any exclusive parts?

Yes: 9 part shapes exist in no other set, for example: Tile 2 x 2 with Halter Weights and Barcode Print (Sticker).

Which similarly sized set contains the most parts from set 71423?

Set 910029 Mountain Fortress, released in 2024: it supplies 27%, counting shapes, colors and quantities.