Dry Bowser Castle Battle Expansion Set

LEGO^® Super Mario™ 71423 Dry Bowser Castle Battle Expansion Set

Name: LEGO® Super Mario™ Dry Bowser Castle Battle Expansion Set 71423
Brand: LEGO
SKU: 71423
Availability: InStock

Current best price

LEGO 71423 is currently available from $269.99 incl. shipping at Amazon.com. 2 retailers compared.

View the deal at Amazon.com Compare all 2 offers

Updated October 25, 2026 at 4:33 PM EDT

LEGO® Super Mario™ Dry Bowser Castle Battle Expansion Set 71423 (1/3)

Houses

Castle

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LEGO 71423 price comparison: where is it cheapest?

Prices incl. shipping to the US · Prices updated October 25, 2026 at 4:33 PM EDT

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information

The Lego set Dry Bowser Castle Battle Expansion Set with the set number 71423 is part of the LEGO Super Mario™ theme and is recommended for ages 8+. It was released in August 2023. It includes 5 minifigures. The model has 1,321 pieces, and we estimate it takes around 3 - 4 hours to build. 26 Brickfact users have this set in their collection.

The set weighs about 1.486 kg. The box measures 18.9 x 14.9 x 3.7 in (48 x 37.8 x 9.4 cm). The recommended retail price is $109.99.

Our Brickfact Lego price comparison compares the prices of 2 shops for this set. It is currently cheapest at Amazon.com for $269.99 including shipping. That is $0.20 per piece. Unfortunately, the set is currently not available below its recommended retail price.

The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $185.50.

Lego 71423 product data

Set Information

Set ID

71423

Theme

Super Mario™

Pieces

1321

Building Time

3 - 4 hours

Age Range

Minifigures

Availability

Release

08/2023

Retiring Status

Retired (12/2024)

Price Information

RRP

$109.99

Insiders Points (for purchase at Lego)

715

Part Out Value

$185.50

Packaging

Weight

1.486 kg

Packaging dimensions

18.9 x 14.9 x 3.7 in

EAN (GTIN13)

5702017415758

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Popularity with Brickfact users

users have this set: 26

26 Brickfact users have Dry Bowser Castle Battle Expansion Set in their collection.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 25, 2026.

LEGO 71423 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value: $151.83
Growth vs. RRP: +38.0 % $109.99
Range: $117.32 – $178.25
Average: $148.40

Loading price history…

LEGO 71423 price history: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $450.00 (13 days ago).

Cheapest current offer in the comparison: Amazon.com at $269.99. Amazon offers are not part of the price history.

Current best price: $450.00 +309% vs. RRP
Best price since 10/12/2026: $450.00 +309% vs. RRP · 13 days ago

Lowest price per retailer (since 10/12/2026)

Retailer	Current	Lowest price	Date
Walmart.com	$450.00	$450.00	10/25/26

As of: 10/25/2026, 20:00 UTC

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

Minifigures from 71423 Dry Bowser Castle Battle Expansion Set

The Dry Bowser Castle Battle Expansion Set set includes 5 different minifigures, 4 of which are unique to this set. The combined value of the minifigures is $31.39, which is ~29% of the RRP of this set.

Bone Goomba

Super Mario

2021

#mar0063

$1.63

2 sets

Dry Bowser

Super Mario

2023

#mar0161

$17.94

Unique

Purple Toad - Surprised

Super Mario

2023

#mar0162

$2.72

Unique

Magmaargh

Super Mario

2023

#mar0173

$4.53

Unique

Bone Piranha Plant

Super Mario

2023

#mar0174

$4.57

Unique

Official Set Description for LEGO 71423 Dry Bowser Castle Battle Expansion Set

Create a fantastic LEGO® brick version of an iconic location in the Super Mario™ universe with the Dry Bowser Castle Battle Expansion Set (71423). Players can explore the castle with their interactive LEGO® Peach™, LEGO® Mario™ or LEGO® Luigi™ figure (not included). It features an opening Bowser-jaw-shaped entrance, a crane to rescue the Purple Toad from the trap and topple Dry Bowser, flippers to defeat the Bone Piranha Plant and Bone Goomba, a Magmaargh attack function, gym, secret entrance, secret strategy room, Key Block and a Treasure Chest Block. Note: the 71360, 71387 or 71403 Starter Course is needed for interactive play.

Top gift
A great gift idea for kids aged 8 and up, this toy playset includes 5 LEGO® Super Mario™ characters. Download the LEGO Super Mario app for building instructions, inspiring tips and more.

Collectible toy playsets
LEGO Super Mario Starter Courses and Expansion Sets allow fans to expand, rebuild and create unique levels for hours of coin-collecting play.

Detailed Dry Bowser Castle Battle Expansion Set (71423) – Children can recreate an iconic Super Mario™ location in the brick-built LEGO® Super Mario™ world for coin-collecting play
5 LEGO® Super Mario™ characters – Dry Bowser, a Magmaargh, a Bone Piranha Plant, a Bone Goomba and a Purple Toad
Rescue mission – Explore the castle with LEGO® Peach™, LEGO® Mario™ or LEGO® Luigi™ (figures not included) and use the crane to rescue the Purple Toad from the trap and topple Dry Bowser
Build a fun level – The set includes the Bone Piranha Plant and Bone Goomba, a Magmaargh attack function, gym, secret entrance, strategy room, Key Block and a Treasure Chest Block
Gift idea for ages 8 and up – Give this 1,321-piece set as a birthday or holiday gift to kids who own a LEGO® Super Mario™ Starter Course (71360, 71387 or 71403), which is needed for interactive play
Rebuild and combine – Measuring over 10.5 in. (27 cm) high, 18 in. (46 cm) wide and 12.5 in. (31 cm) deep in its basic formation, this modular set combines with other LEGO® Super Mario™ playsets
App-assisted building – Download the LEGO® Super Mario™ app for building instructions, creative tips and more fun stuff. For a list of compatible Android and iOS devices, visit LEGO.com/devicecheck
Inspire kids’ creativity – Collectible LEGO® Super Mario™ toy playsets are designed for solo or social play, offering coin-collecting fun and limitless challenges through expansion and rebuilding
Premium quality – LEGO® bricks comply with strict industry quality standards to ensure that they connect consistently and securely
Safety first – LEGO® components are dropped, heated, crushed, twisted and analyzed to make sure that they meet demanding global safety standards

Building Instruction for LEGO 71423 Dry Bowser Castle Battle Expansion Set

Part Lists for LEGO 71423 Dry Bowser Castle Battle Expansion Set

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 71423 Frequently Asked Questions

How much does LEGO 71423 Dry Bowser Castle Battle Expansion Set cost?

The lowest price in the Brickfact price comparison is currently $269.99 incl. shipping at Amazon.com. The RRP is $109.99.

Where can I buy LEGO 71423 cheapest?

Brickfact compares 2 retailers. The cheapest offers: Amazon.com ($269.99), Walmart.com ($450.00).

Is LEGO 71423 still available?

LEGO has retired 71423 Dry Bowser Castle Battle Expansion Set. New copies are still available at 2 retailers in our price comparison while stocks last.

What is included in the Dry Bowser Castle Battle Expansion Set (71423)?

The Dry Bowser Castle Battle Expansion Set (71423) includes a brick-built castle with an opening Bowser-jaw-shaped entrance, a crane, flippers to defeat the Bone Piranha Plant and Bone Goomba, a Magmaargh attack function, a gym, a secret entrance, a secret strategy room, a Key Block, and a Treasure Chest Block. Additionally, it comes with five LEGO Super Mario characters: Dry Bowser, Magmaargh, Bone Piranha Plant, Bone Goomba, and Purple Toad.

What age range is the Dry Bowser Castle Battle Expansion Set suitable for?

The Dry Bowser Castle Battle Expansion Set is recommended for kids aged 8 and up, making it a perfect gift idea for children within that age range.

Can you play with the Dry Bowser Castle Battle Expansion Set independently?

The Dry Bowser Castle Battle Expansion Set is designed for solo and social play. It offers coin-collecting fun and limitless challenges through expansion and rebuilding, allowing for both independent and collaborative play experiences.

What other LEGO Super Mario sets can be combined with the Dry Bowser Castle Battle Expansion Set?

The Dry Bowser Castle Battle Expansion Set (71423) is modular and can be combined with other LEGO Super Mario playsets, allowing you to expand, rebuild, and create unique levels. This offers endless possibilities for creating your own custom LEGO Super Mario world.

When was LEGO 71423 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 71423 was $450.00 on 10/12/2026 at Walmart.com, including shipping. Amazon prices are not included.