1. Introduction
This instruction manual provides essential information for the assembly and care of your KAWADA nanoblock Sanrio My Melody (Ninja) Character Collection Series building kit. Please read this manual thoroughly before beginning assembly to ensure a smooth and enjoyable building experience.
The nanoblock My Melody (Ninja) model is part of the Character Collection Series, designed for enthusiasts of micro-sized building blocks. Once assembled, the model stands approximately 2.67 inches tall and consists of 160 individual pieces.

Image 1.1: The fully assembled KAWADA nanoblock Sanrio My Melody (Ninja) figure, showcasing its detailed design and compact size.
2. Safety Information
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
This product contains small components that can pose a choking hazard. Keep all parts out of reach of young children. Adult supervision is recommended during assembly, especially for younger builders.
3. Package Contents
Verify that all components are present before beginning assembly. The package for the KAWADA nanoblock Sanrio My Melody (Ninja) building kit should contain:
- nanoblock pieces required to build the My Melody (Ninja) model (approximately 160 pieces).
- Detailed graphic assembly instructions.
The product box includes a Bandai Namco warning label, confirming that you have purchased an officially licensed Kawada product.
4. Assembly Instructions
The nanoblock My Melody (Ninja) kit has a difficulty level of 2 (on a scale where 1 is easiest and 5 is most challenging). This indicates a moderate level of complexity, suitable for builders aged 8 years and up.
4.1. Preparation
- Unpack Components: Carefully open the package and lay out all nanoblock pieces on a clean, flat surface. It is recommended to use a tray or container to prevent small pieces from getting lost.
- Review Instructions: Familiarize yourself with the included graphic assembly instructions. These diagrams will guide you step-by-step through the building process.
4.2. Building Process
Follow the numbered steps in the graphic instruction manual provided in your kit. nanoblock models are built by connecting the micro-sized blocks according to the diagrams. Pay close attention to the color and shape of each block as indicated in the instructions.
- Start from the Base: Most nanoblock models begin with a stable base, building upwards.
- Layer by Layer: Assemble the model layer by layer, ensuring each block is securely attached to the previous one.
- Use a Tool (Optional): For very small or tightly fitted blocks, a pair of tweezers (not included) can be helpful for precise placement.
- Verify Each Step: Before moving to the next step, confirm that your current assembly matches the diagram.

Image 4.1: An example of nanoblock difficulty levels, illustrating the range of complexity in different kits. My Melody (Ninja) is a Level 2 build.

Image 4.2: A nanoblock model held in a hand, illustrating the small scale of the individual blocks and the assembled figure.
5. Maintenance
5.1. Cleaning
To clean your assembled nanoblock model, gently wipe it with a dry, soft cloth. For more stubborn dust, a soft brush or a can of compressed air can be used. Avoid using water or harsh cleaning agents, as these may damage the blocks or cause discoloration.
5.2. Storage
Store your nanoblock model in a cool, dry place away from direct sunlight to prevent fading or warping of the plastic. If disassembling for storage, keep all pieces in a sealed container to avoid loss.
6. Troubleshooting
6.1. Missing Pieces
If you believe you are missing pieces, first double-check the packaging and your work area. Due to their small size, pieces can be easily overlooked. If pieces are genuinely missing, please contact KAWADA customer support (information not provided in product data, refer to product packaging for contact details).
6.2. Difficulty with Assembly
If you encounter difficulty during assembly:
- Review Previous Steps: Carefully re-examine the last few steps in the instruction manual to ensure no errors were made.
- Check Block Orientation: Ensure blocks are oriented correctly as shown in the diagrams.
- Take a Break: Sometimes stepping away and returning with fresh eyes can help identify the issue.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | NAN22907 |
| Product Dimensions (Assembled) | 1.57 x 1.14 x 2.67 inches |
| Item Weight | 1.09 ounces |
| Number of Pieces | 160 |
| Difficulty Level | 2 (out of 5) |
| Manufacturer Recommended Age | 8 years and up |
| Manufacturer | Kawada |
| Release Date | April 15, 2025 |
8. Warranty and Support
Specific warranty information for this nanoblock product is not provided in the available data. Please refer to the product packaging or the official KAWADA website for details regarding warranty coverage and customer support contact information.
9. About nanoblock
nanoblock is a micro-sized building block system originating from Japan in 2008. It allows for the creation of highly detailed 3D models, ranging from small animals and characters to intricate architectural structures. The small size of the blocks enables a level of realism and authenticity that is unique to the nanoblock experience.

Image 9.1: The official nanoblock brand logo.

Image 9.2: Examples of other nanoblock Sanrio characters, demonstrating the variety within the collection series.

Image 9.3: A diverse collection of nanoblock creations, showcasing the range of subjects that can be built with the micro-sized blocks.

