---
product_id: 501182137
title: "Minecraft The Swamp Adventure 21240, Building Game Construction Toy with Alex and Zombie Figures in Biome, Birthday Gift Idea for Kids Ages 8+"
brand: "lego"
price: "$47.60"
currency: USD
in_stock: true
reviews_count: 13
category: "Lego"
url: https://www.desertcart.us/products/501182137-minecraft-the-swamp-adventure-21240-building-game-construction-toy-alex
store_origin: US
region: United States of America
---

# Interactive TNT explosion 65-piece immersive build Includes iconic Minecraft mobs Minecraft The Swamp Adventure 21240, Building Game Construction Toy with Alex and Zombie Figures in Biome, Birthday Gift Idea for Kids Ages 8+

**Brand:** lego
**Price:** $47.60
**Availability:** ✅ In Stock

## Summary

> 🌿 Build, Battle, and Blast Your Way Through the Ultimate Minecraft Swamp Adventure!

## Quick Answers

- **What is this?** Minecraft The Swamp Adventure 21240, Building Game Construction Toy with Alex and Zombie Figures in Biome, Birthday Gift Idea for Kids Ages 8+ by lego
- **How much does it cost?** $47.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/501182137-minecraft-the-swamp-adventure-21240-building-game-construction-toy-alex)

## Best For

- lego enthusiasts

## Why This Product

- Trusted lego brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dynamic Play Action:** Trigger the TNT explosion with a lever for thrilling, hands-on defense against mobs.
- • **Creative & Educational:** Boosts creative thinking with physical LEGO bricks and digital app integration for immersive building.
- • **Compact yet Captivating:** A perfectly sized 65-piece set that fits anywhere but delivers endless Minecraft swamp adventures.
- • **Authentic Minecraft Experience:** Includes fan-favorite Alex, zombie, slime, and a charming frog to recreate the swamp biome.
- • **Perfect Gift for Young Builders:** Ideal for kids 8+ who want to bring their Minecraft worlds to life beyond the screen.

## Overview

LEGO Minecraft The Swamp Adventure (21240) is a 65-piece building set designed for kids 8 and up, featuring Alex, zombie, slime, and frog figures in a detailed swamp biome. It includes an interactive TNT explosion function and encourages creative play both physically and digitally via the LEGO Builder app. Compact and engaging, this set offers a hands-on Minecraft experience that blends construction, storytelling, and action-packed fun.

## Description

Treat Minecraft players Ages 7 and over to a swamp full of hands-on, action-packed, creative play with LEGO Minecraft The Swamp Adventure (21240) building toy. Kids join Alex from the Minecraft game as she journeys through the swamp biome. 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 Minecraft mobs to battle – a zombie figure and a slime – plus 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 Minecraft construction toy as they build. LEGO Minecraft building toys give kids a different way to enjoy the popular game, with mobs, scenes and Minecraft character figures brought to life with the hands-on creativity of LEGO bricks. This set makes a fun birthday gift or any-time treat for 7 plus year old kids who love the Minecraft game and LEGO construction toys. 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. Contains 65 Pieces.

Review: Fun Build for Minecraft Fans! - The LEGO Minecraft Swamp Adventure set is fantastic! It’s the perfect size for a quick, enjoyable build and captures the Minecraft vibe perfectly. The details are great—Alex, the frog, and the swamp elements make it feel authentic and fun for imaginative play. My kids loved recreating scenes from the game and adding it to their other Minecraft sets. High-quality pieces as always, and the instructions are clear and easy to follow. Highly recommend for any Minecraft fan!
Review: Nice Lego set! - My son really likes Minecraft so these were perfect for him to put together. He had so much fun building this Lego set. The price for this set was good! Recommend this for any kid who enjoys Legos and Minecraft.

## Features

- LEGO Minecraft The Swamp Adventure set recreates the mangrove swamp from the video game, with cool figures, toy crafting tools and other accessories
- Includes a LEGO Minecraft Alex figure with an axe, a toy frog in a swamp biome plus Minecraft mobs: a slime block and a zombie figure
- There is lots for kids to explore in this Minecraft building toy, which includes a crafting table, a mangrove tree and an exploding TNT function
- Minecraft players can join daredevil Alex's quest and help her use her axe and operate a lever to detonate an explosion to fend off any attacks
- LEGO Minecraft building toys give kids other ways to enjoy the video game; this set makes a great birthday or any-time gift for kids age 7 plus

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BBSJDGF7 |
| Additional Features | Interactive Minecraft-themed LEGO set with exploding TNT function |
| Age Range Description | Kid |
| Best Sellers Rank | #55,949 in Toys & Games ( See Top 100 in Toys & Games ) #1,589 in Toy Building Sets |
| Brand Name | LEGO |
| Color | Multicolor |
| Customer Reviews | 4.8 out of 5 stars 5,381 Reviews |
| Educational Objective | Creative Thinking |
| Included Components | LEGO Building Elements |
| Is Assembly Required | No |
| Item Dimensions | 5.55 x 4.8 x 1.81 inches |
| Item Type Name | Building Kit |
| Item Weight | 3.84 ounces |
| Manufacturer | LEGO |
| Manufacturer Maximum Age (MONTHS) | 1200.0 |
| Manufacturer Minimum Age (MONTHS) | 84 |
| Manufacturer Part Number | 6425583 |
| Material Type | Plastic |
| Model Name | The Swamp Adventure 21240 |
| Model Number | 6425583 |
| Model Year | 2023 |
| Number of Pieces | 65 |
| Operation Mode | Manual |
| Size | Medium, Small |
| Sub Brand | LEGO Minecraft |
| Subject Character | Alex;Zombie;Frog;Slime |
| Theme | Forest |
| UPC | 673419374767 |

## Images

![Minecraft The Swamp Adventure 21240, Building Game Construction Toy with Alex and Zombie Figures in Biome, Birthday Gift Idea for Kids Ages 8+ - Image 1](https://m.media-amazon.com/images/I/81OYIodNhtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fun Build for Minecraft Fans!
*by N***F on January 7, 2026*

The LEGO Minecraft Swamp Adventure set is fantastic! It’s the perfect size for a quick, enjoyable build and captures the Minecraft vibe perfectly. The details are great—Alex, the frog, and the swamp elements make it feel authentic and fun for imaginative play. My kids loved recreating scenes from the game and adding it to their other Minecraft sets. High-quality pieces as always, and the instructions are clear and easy to follow. Highly recommend for any Minecraft fan!

### ⭐⭐⭐⭐⭐ Nice Lego set!
*by S***A on October 2, 2025*

My son really likes Minecraft so these were perfect for him to put together. He had so much fun building this Lego set. The price for this set was good! Recommend this for any kid who enjoys Legos and Minecraft.

### ⭐⭐⭐⭐⭐ Great build and great buy
*by M***T on January 7, 2026*

6 and 8 year old love this set! Lots of playtime

## Frequently Bought Together

- LEGO Minecraft The Swamp Adventure 21240, Building Game Construction Toy with Alex and Zombie Figures in Biome, Birthday Gift Idea for Kids Ages 8+
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-08*