---
product_id: 638914564
title: "National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks"
brand: "blue marble"
price: "562.29 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Blue Marble"
url: https://www.desertcart.tn/products/638914564-national-geographic-jumbo-cardboard-building-blocks-45-pc-extra-thick
store_origin: TN
region: Tunisia
---

# educational castle guide included 45-piece jumbo castle set extra-thick durable cardboard National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks

**Brand:** blue marble
**Price:** 562.29 DT
**Availability:** ✅ In Stock

## Summary

> 🏰 Build Big, Dream Bigger: The Castle Adventure Starts Here!

## Quick Answers

- **What is this?** National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks by blue marble
- **How much does it cost?** 562.29 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/638914564-national-geographic-jumbo-cardboard-building-blocks-45-pc-extra-thick)

## Best For

- blue marble enthusiasts

## Why This Product

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

## Key Features

- • **Complete Royal Set:** Comes with 42 blocks, a drawbridge, and two crowns to crown your little architect’s imagination.
- • **Learn While You Play:** Includes a full-color Learning Guide to spark curiosity about medieval castles and history.
- • **Award-Winning Quality:** From Blue Marble, Toy Association’s Toy of the Year winner, ensuring premium fun and educational value.
- • **Durability Meets Safety:** Crafted from extra-thick, lightweight cardboard that withstands playtime battles and tiny footsteps alike.
- • **Build Your Kingdom, Your Way:** 45 oversized, interlocking blocks let creativity reign supreme with endless castle designs.

## Overview

The National Geographic Jumbo Cardboard Building Blocks set features 45 extra-thick, durable cardboard pieces designed for kids aged 3 and up to build their own castle playhouse. This award-winning kit includes 42 blocks in multiple shapes and sizes, a drawbridge, two crowns, and an educational guide about medieval castles, combining imaginative play with cognitive development and hands-on learning.

## Description

Buy National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks: Building Sets - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Castle Building Blocks - Creative building castle bricks perfect for 2year old - 6 . Very sturdy easy to assemble. Hours of imaginative building. The he size of the bricks are impressive giving way to large structures which delight the young child. My granddaughter pretended to be the princess with princess dolls while my grandson used the castle to attack with his dragons and dinosaurs. I had a similar set in my kindergarten classroom they were very popular so o already knew this set would be a big hit . Highly recommend this open end toy . So many different ways to build and fun to down .
Review: Don’t bother looking any further, BUY THESE NOW!!! - We got these as a birthday present for my daughter who loves building with blocks and wanted something bigger. SHE ABSOLUTELY LOVES THEM!!!! She plays with them all the time and has a blast! The color/stones are perfect, so so much better than the basic blue, red, yellow bricks I used to play with as a kid. My daughter is 3 and has stepped on a few of them before and had no issue with them breaking or deforming so I would say they are pretty durable. They stack well and you can make a different set up every time you play. I love that some of them have windows with torches on them and that there are four different sizes included (big rectangle, smaller rectangle, square, and triangle!!!). The set also came with two paper crowns, a jaw bridge (cardstock and high quality), and a little card with information about medieval castles in Europe! They do come flat and need to be assembled which was a little time consuming, but the instructions were easy to follow and once you get the hang of it you can breeze right through the building process. I HIGHLY recommend these over the normal, boring blue, red, yellow cardboard blocks- you won’t be disappointed. The way my daughter’s imagination runs wild while building with these brings me so much joy. To me these were definitely worth the money that we paid and I would do it again and again!!!

## Features

- BUILD YOUR OWN CASTLE - The jumbo building blocks in this kit sport a castle theme, so kids can build their very own castle play house Kids can let their creativity shine as they create unique, custom castles with ease
- SAFE, SECURE, AND DURABLE - These blocks are designed to hold together securely when assembled, eliminating frustration Made from durable cardboard, they're also safe, lightweight, and durable so kids can explore any design they can think of
- ENDLESS BUILDING POSSIBILITIES - These high-quality building blocks are a great way for kids to explore their creativity as they design and build their very own castle play house They'll also learn about castles with the included Learning Guide
- EVERYTHING INCLUDED - Kids can build the ultimate castle playhouse with the components in this kit In addition to 42 blocks in different shapes and sizes, they'll get a drawbridge and two crowns to faithfully lead their new kingdom
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CY3DZCSH |
| Additional Features | Detailed Castle Graphics, Durable Cardboard Block Pieces, Easy to Assemble, Multiple Shapes & Sizes |
| Age Range Description | 3 years and up |
| Best Sellers Rank | #26,986 in Toys & Games ( See Top 100 in Toys & Games ) #1,378 in Toy Building Sets |
| Brand Name | Blue Marble |
| Customer Reviews | 4.8 out of 5 stars 294 Reviews |
| Educational Objective | Cognitive Development, Construction Skills, Creative Thinking, Hand-Eye Coordination, Stacking Skills |
| Included Components | 2 crowns, 42 jumbo building blocks for kids, Drawbridge, Full Color Learning Guide |
| Is Assembly Required | No |
| Item Dimensions | 20.87 x 6.1 x 16.22 inches |
| Item Type Name | 45 Jumbo Cardboard Castle Building Blocks |
| Item Weight | 9.74 Pounds |
| Manufacturer | JMW Sales, Inc. |
| Manufacturer Maximum Age (MONTHS) | 99.0 |
| Manufacturer Minimum Age (MONTHS) | 36.0 |
| Manufacturer Part Number | NGCASTLE45 |
| Material Type | Cardboard |
| Model Name | 45 Cardboard Castle Building Blocks |
| Model Number | NGCASTLE45 |
| Number of Pieces | 1 |
| Operation Mode | Manual |
| Power Source | Manual |
| Set Name | Castle |
| Size | Large |
| Subject Character | Castles |
| Theme | Castles |
| Toy Building Block Type | Interlocking Toy Building Block |
| UPC | 810070623531 |

## Images

![National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks - Image 1](https://m.media-amazon.com/images/I/91lhNPCAheL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Castle Building Blocks
*by C***C on March 19, 2026*

Creative building castle bricks perfect for 2year old - 6 . Very sturdy easy to assemble. Hours of imaginative building. The he size of the bricks are impressive giving way to large structures which delight the young child. My granddaughter pretended to be the princess with princess dolls while my grandson used the castle to attack with his dragons and dinosaurs. I had a similar set in my kindergarten classroom they were very popular so o already knew this set would be a big hit . Highly recommend this open end toy . So many different ways to build and fun to down .

### ⭐⭐⭐⭐⭐ Don’t bother looking any further, BUY THESE NOW!!!
*by C***E on March 9, 2025*

We got these as a birthday present for my daughter who loves building with blocks and wanted something bigger. SHE ABSOLUTELY LOVES THEM!!!! She plays with them all the time and has a blast! The color/stones are perfect, so so much better than the basic blue, red, yellow bricks I used to play with as a kid. My daughter is 3 and has stepped on a few of them before and had no issue with them breaking or deforming so I would say they are pretty durable. They stack well and you can make a different set up every time you play. I love that some of them have windows with torches on them and that there are four different sizes included (big rectangle, smaller rectangle, square, and triangle!!!). The set also came with two paper crowns, a jaw bridge (cardstock and high quality), and a little card with information about medieval castles in Europe! They do come flat and need to be assembled which was a little time consuming, but the instructions were easy to follow and once you get the hang of it you can breeze right through the building process. I HIGHLY recommend these over the normal, boring blue, red, yellow cardboard blocks- you won’t be disappointed. The way my daughter’s imagination runs wild while building with these brings me so much joy. To me these were definitely worth the money that we paid and I would do it again and again!!!

### ⭐⭐⭐⭐⭐ Great for toddler and preschool age kids
*by A***E on February 22, 2026*

These are great building blocks, allowing children to use their imaginations to build everything from a tower, to a fence, a house, a castle, and more. They are perfect for toddler and preschool age children. They are easy for them to handle, and since they are cardboard, it doesn’t hurt if one bumps a child when they knockdown a tower. My grandkids love them! Assembly takes about an hour, but it is time well spent.

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-02*