---
product_id: 274462086
title: "Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces)"
brand: "lego"
price: "587 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/274462086-hidden-side-graveyard-mystery-70420-building-kit-app-toy-7
store_origin: PL
region: Poland
---

# 5 interactive minifigures AR app integration 335-piece immersive build Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces)

**Brand:** lego
**Price:** 587 zł
**Availability:** ✅ In Stock

## Summary

> 👻 Unlock spooky fun with every brick — don’t miss the ghostly revolution!

## Quick Answers

- **What is this?** Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) by lego
- **How much does it cost?** 587 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/274462086-hidden-side-graveyard-mystery-70420-building-kit-app-toy-7)

## 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

- • **Compact Yet Captivating:** Measuring just over 5” high and 12” wide, it fits perfectly on desks or shelves, making it a must-have collectible.
- • **Diverse Cast of Characters:** Includes 4 unique minifigures plus a ghost dog, perfect for immersive role-play and social sharing.
- • **Augmented Reality Meets LEGO:** Seamlessly blend physical play with digital thrills via the interactive AR app for a next-level ghost-hunting experience.
- • **Perfect for Collaborative Play:** Designed for kids 7+, this set encourages teamwork and imaginative problem-solving.
- • **Build Your Own Haunted Adventure:** 335 detailed pieces create a spooky graveyard scene that sparks creativity and storytelling.

## Overview

The LEGO Hidden Side Graveyard Mystery 70420 is a 335-piece building kit designed for kids aged 7 and up, combining traditional LEGO construction with an augmented reality app. Featuring 5 minifigures and interactive haunted elements, this set offers a unique blend of creative play and digital engagement, perfect for fostering imaginative storytelling and collaborative fun.

## Description

Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces)

## Features

- Introduce youngsters to the exciting world of LEGO Hidden Side : A unique play experience that combines the open creative play of LEGO building toys for kids with an augmented reality app
- A great kids’ birthday gift or Christmas gift, the Graveyard Mystery playset lets kids build their very own haunted graveyard toy with a twisting statue, grave that opens and haunted toy tree for hours of creative play
- This augmented reality toy for kids includes 4 minifigures: heroes Jack Davids and Parker L. Jackson with smartphones, a skeleton figure and Mr. Branson, plus the ghost dog, Spencer, for the best ghost-hunting adventures
- A ghost playset for boys and girls aged 7+, this Graveyard Mystery 70420 building set can be built together with all other original LEGO toys and LEGO bricks for creative play
- This graveyard ghost-catching adventure toy measures over 5” (14cm) high and 12” (32cm) wide and is full of cool details that interact with the augmented reality app for a fully interactive play experience
- A tablet or mobile phone is required to experience the fill augmented reality play experience, but not included. Compatible with selected iOS and Android devices. Compatible with select mobile devices

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 19.1 x 5.9 x 35.4 cm; 100 g |
| Manufacturer recommended age | 7 years and up |
| Item model number | 6250495 |
| Educational Objective(s) | Creative Thinking |
| Number of Puzzle Pieces | 335 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Plastic |
| Material Care Instructions | Wipe with damp cloth |
| Remote Control Included? | No |
| Color | Multicolor |
| ASIN | B07NRT5BHZ |

## Images

![Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) - Image 1](https://m.media-amazon.com/images/I/81O7mZIMmSL.jpg)
![Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) - Image 2](https://m.media-amazon.com/images/I/71yosO574uL.jpg)
![Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) - Image 3](https://m.media-amazon.com/images/I/71HrrpIFDgL.jpg)
![Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) - Image 4](https://m.media-amazon.com/images/I/71IpIc1FFgL.jpg)
![Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) - Image 5](https://m.media-amazon.com/images/I/61wtCos9BxL.jpg)

## Questions & Answers

**Q: Is this only compatible with iPhone?**
A: Hi there! The Hidden Side app is compatible with select iOS and Android devices that have the right Augmented Reality technology. For a list of compatible devices, visit LEGO.build/DeviceCheck. - Emily, LEGO® Customer Service

**Q: does the app work without wifi or internet?**
A: Hi there! It should work A-Okay without an active connection, but you'll want to be able to connect periodically to install updates. - Emily, LEGO® Customer Service

**Q: Will the app work with an android lg fiesta lte, model lgl63bl ?**
A: HI there! No, the LG Fiesta is not compatible with the Hidden Side app. It doesn't have the right Augmented Reality features (called ARCore) to run the app. For a list of compatible devices, visit LEGO.build/DeviceCheck-Amazon. - Emily, LEGO® Customer Service

**Q: Can you use it with an iPad?**
A: The Hidden Side app is available on the iTunes store, check here which iPads are compatible with the app. www.LEGO.build/DeviceCheck

- Samuel, LEGO® Customer Service

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-26*