1. Product Overview
The Nanoblock NB-051 Himeji Castle Deluxe Edition is an intricate building set designed to recreate the iconic Himeji Castle. This renewed edition incorporates various specialized parts, including diagonal elements, to significantly enhance the overall form and detail of the finished model. It allows for the reproduction of the roof's color after the Heisei repair model, as well as the distinctive shingle hedge created using a traditional 'hammering' technique.
This set features the 'World's Smallest Block' technology, offering a challenging and rewarding building experience. Assembly is required, and the set is made from durable plastic materials.

Image 1: The product packaging for the Nanoblock NB-051 Himeji Castle Deluxe Edition, displaying the completed model and key features.
2. Safety Information
- Choking Hazard: This product contains small parts and is not suitable for children under 3 years of age.
- Recommended Age: This building set is recommended for ages 12 years and above due to its complexity and small components.
- Keep all packaging materials away from children to prevent suffocation.
- Do not put blocks in your mouth or nose.
3. Package Contents
Upon opening the box, please verify that all components are present:
- Approximately 2750 Nanoblock pieces (various shapes and colors for Himeji Castle).
- One (1) Block Assembly Instruction booklet.
If any parts are missing or damaged, please contact KAWADA customer support.
4. Setup and Assembly
The Nanoblock NB-051 Himeji Castle Deluxe Edition requires assembly. Follow these general guidelines for a smooth building experience:
- Unpack and Organize: Carefully unpack all Nanoblock pieces. It is highly recommended to sort the blocks by color and shape to facilitate easier assembly.
- Consult the Instruction Booklet: Refer to the included Block Assembly Instruction booklet for detailed, step-by-step guidance. Each step will illustrate which blocks to use and where to place them.
- Start with the Base: Typically, Nanoblock models begin with the base structure. Ensure the foundation is stable before proceeding to higher layers.
- Secure Connections: Press each block firmly into place to ensure a secure connection. Loose blocks can lead to an unstable model.
- Patience is Key: Due to the small size of the blocks and the intricate design, assembly requires patience and attention to detail. Take breaks if needed.

Image 2: An angled view of the fully assembled Nanoblock Himeji Castle, showcasing its detailed structure and base.
5. Operating (Building Process)
The 'operation' of this product involves the manual assembly of the Nanoblock pieces according to the provided instructions. The process is designed to be a creative and engaging activity, resulting in a detailed miniature replica of Himeji Castle.
- Follow the Manual: The included instruction booklet is your primary guide. Each page details specific sections of the castle, indicating the type and quantity of blocks required.
- Layer by Layer: Construction typically progresses layer by layer, building upwards from the base. Pay close attention to the orientation of blocks.
- Detail Work: The Deluxe Edition features intricate architectural details. These sections may require more precise placement of smaller blocks.
- Enjoy the Process: The satisfaction comes from seeing the complex structure take shape piece by piece.

Image 3: A front view of the assembled Himeji Castle, showcasing the intricate details of its multi-tiered roofs and walls.

Image 4: A side profile of the completed Himeji Castle model, emphasizing the depth and complexity of its design.

Image 5: An alternative angled view of the assembled Himeji Castle, including a small auxiliary building and miniature trees on the base.
6. Maintenance
To ensure the longevity and appearance of your Nanoblock Himeji Castle model:
- Cleaning: Gently dust the model regularly with a soft, dry cloth or a soft brush. For more stubborn dirt, a slightly damp cloth can be used, but avoid excessive moisture. Do not use harsh chemicals or abrasive cleaners.
- Storage: Display the model in a stable location away from direct sunlight, extreme temperatures, and high humidity. Prolonged exposure to direct sunlight can cause discoloration of the plastic blocks.
- Handling: Handle the assembled model with care to prevent blocks from detaching.
7. Troubleshooting
If you encounter any issues during assembly or with the completed model, consider the following:
- Missing Pieces: Double-check all packaging and sorting areas. If pieces are genuinely missing, contact KAWADA customer support with details of the missing parts.
- Difficulty Assembling: Carefully re-examine the instruction booklet for the specific step you are on. Ensure you are using the correct blocks and placing them in the correct orientation. Sometimes, a small misplacement can affect subsequent steps.
- Model Instability: If parts of the model feel loose or unstable, review the connections in that section. Ensure all blocks are fully pressed down and interlocked.
- Disassembly: If you need to disassemble a section, use a block separator tool (if available) or carefully pry blocks apart to avoid damage.
8. Specifications
| Model Name | NB-051 |
| Brand | KAWADA |
| Material | Plastic |
| Number of Pieces | 2750 |
| Assembled Dimensions (L x W x H) | 7.5 x 21.1 x 42.5 cm |
| Recommended Age | 12 years and above |
| Educational Objective | Construction Skills |
| Theme | Architecture |
| Assembly Required | Yes |
| Operation Mode | Manual |
| Country of Origin | China |
9. Warranty and Support
For any inquiries regarding product defects, missing parts, or assembly assistance, please contact KAWADA customer support. Specific warranty details may vary by region; please refer to the product packaging or KAWADA's official website for the most current information.
KAWADA is committed to providing high-quality products and support to ensure your satisfaction.