The Swamp Adventure

LEGO^® Minecraft® 21240 The Swamp Adventure

Q: Is LEGO 21240 still available?

LEGO has retired 21240 The Swamp Adventure, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $8.50.

Q: What age range is the LEGO Minecraft The Swamp Adventure (21240) suitable for?

This LEGO set is specifically designed for Minecraft players aged 7 and up.

Q: What does the LEGO Minecraft The Swamp Adventure (21240) set include?

The set includes familiar Minecraft characters such as Alex, a zombie, a slime block, and a frog. It also features a swamp biome with a mangrove tree, crafting table, axe, and an exploding TNT function.

Q: What can kids do with this LEGO Minecraft set?

Kids can engage in various activities including building, exploration, battling hostile mobs, and even detonating TNT to defend against attacks in the perilous mangrove swamp.

Q: Can the LEGO Minecraft The Swamp Adventure (21240) set be used with digital devices?

Yes, the LEGO Builder app offers interactive digital building experiences. It allows kids to use zoom and rotate tools to visualize their model as they build.

Q: When was LEGO 21240 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 21240 was $30.99 on 10/15/2026 at Walmart.com, including shipping. Amazon prices are not included.

LEGO® Minecraft® The Swamp Adventure 21240 (1/8)

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The Lego set The Swamp Adventure with the set number 21240 is part of the LEGO Minecraft® theme and is recommended for ages 7+. It was released in January 2023. It includes 2 minifigures. The model has 65 pieces, and we estimate it takes around < 1 hour to build. 153 Brickfact users have this set in their collection.

The set weighs about 0.109 kg. The box measures 5.6 x 4.8 x 1.8 in (14.1 x 12.2 x 4.6 cm). The recommended retail price is $9.99.

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 $11.83.

Lego 21240 product data

Set Information

Set ID

21240

Theme

Minecraft®

Pieces

Building Time

< 1 hour

Age Range

Availability

Release

01/2023

Retiring Status

Retired (12/2024)

Price Information

RRP

$9.99

Insiders Points (for purchase at Lego)

Part Out Value

$11.83

Packaging

Weight

0.109 kg

Packaging dimensions

5.6 x 4.8 x 1.8 in

EAN (GTIN13)

5702017415154

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Popularity with Brickfact users

users have this set: 153
buyers in the last 12 months: 15
most collected in LEGO Minecraft®: #8

153 Brickfact users have The Swamp Adventure in their collection. 15 users bought it in the last 12 months. It ranks #8 among the most-collected Minecraft® sets on Brickfact.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 19, 2026.

LEGO 21240 price trend

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

Current market value: $8.50
Growth vs. RRP: −14.9 % $9.99
Range: $7.41 – $9.64
Average: $8.92

Loading price history…

LEGO 21240 price history: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $30.99 (4 days ago).

Current best price: $33.92 +240% vs. RRP
Best price since 10/12/2026: $30.99 +210% vs. RRP · 4 days ago

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

Retailer	Current	Lowest price	Date
Walmart.com	–	$30.99	10/15/26

As of: 10/18/2026, 01:01 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 21240 The Swamp Adventure

The The Swamp Adventure set includes 2 different minifigures, 0 of which are unique to this set. The combined value of the minifigures is $2.56, which is ~26% of the RRP of this set.

Zombie

Minecraft

2014

#min010

$1.31

18 sets

Alex

Minecraft

2015

#min017

$1.25

19 sets

Official Set Description for LEGO 21240 The Swamp Adventure

Treat Minecraft® players aged 7 and up to a swamp full of hands-on, action-packed, creative play with LEGO® Minecraft The Swamp Adventure (21240).

Fun-filled Minecraft toy to build and explore
Put the creative thrills of Minecraft into kids’ hands with this physical version of the perilous swamp biome. This versatile toy features familiar Minecraft favorite Alex as she journeys through mud and mangroves on a Minecraft adventure. As well as opportunities for creative construction, there are 2 hostile mobs to battle – a zombie and a slime – and a friendly frog who observes the action from a lily pad. Kids help Alex use her axe and operate a lever to detonate a TNT explosion to fend off any attack. For added digital fun, the LEGO Builder app features intuitive zoom and rotate tools that let kids visualize their model as they build.

Hands-on Minecraft® playset – LEGO® Minecraft The Swamp Adventure (21240) recreates the game’s mangrove swamp, packed with opportunities for creative construction and thrilling battles
Iconic characters – Includes familiar Minecraft® favorites Alex, a zombie, a slime block and a frog in a swamp biome complete with a mangrove tree, crafting table, axe and exploding TNT function
Lots of play possibilities – Kids can build, explore, battle and detonate TNT as they fend off hostile mobs in the perilous mangrove swamp
Gift for kids – Give a Minecraft® player aged 7 and up a birthday, holiday or any-day treat with this real-world recreation of the video game’s action-packed mangrove swamp
Portable fun – Measuring over 3 in. (8 cm) high, 3.5 in. (9 cm) wide and 3 in. (8 cm) deep, there’s a lot of play potential packed into this compact playset
Interactive digital building – The LEGO® Builder app features intuitive zoom and rotate tools that let kids visualize their model as they build
Minecraft® made real – LEGO® Minecraft sets give kids a different way to enjoy the popular game, with mobs, scenes and features brought to life with the hands-on creativity of LEGO bricks
Quality guaranteed – LEGO® components fulfill stringent industry quality standards to ensure they are consistent, compatible and connect smoothly every time
Safety assured – LEGO® components are dropped, heated, crushed, twisted and analyzed to make sure they satisfy rigorous global safety standards

Building Instruction for LEGO 21240 The Swamp Adventure

Part Lists for LEGO 21240 The Swamp Adventure

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 21240 Frequently Asked Questions

Is LEGO 21240 still available?

LEGO has retired 21240 The Swamp Adventure, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $8.50.

What age range is the LEGO Minecraft The Swamp Adventure (21240) suitable for?

This LEGO set is specifically designed for Minecraft players aged 7 and up.

What does the LEGO Minecraft The Swamp Adventure (21240) set include?

The set includes familiar Minecraft characters such as Alex, a zombie, a slime block, and a frog. It also features a swamp biome with a mangrove tree, crafting table, axe, and an exploding TNT function.

What can kids do with this LEGO Minecraft set?

Kids can engage in various activities including building, exploration, battling hostile mobs, and even detonating TNT to defend against attacks in the perilous mangrove swamp.

Can the LEGO Minecraft The Swamp Adventure (21240) set be used with digital devices?

Yes, the LEGO Builder app offers interactive digital building experiences. It allows kids to use zoom and rotate tools to visualize their model as they build.

When was LEGO 21240 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 21240 was $30.99 on 10/15/2026 at Walmart.com, including shipping. Amazon prices are not included.