1. Introduction
This manual provides detailed instructions for assembling your JEKCA Cat 11S-M02 Black and White Cat Plastic Building Blocks. Follow these steps carefully to construct your model. The JEKCA system utilizes a unique interlocking brick-through mechanism for enhanced stability and durability.

Image: The completed JEKCA Cat 11S-M02 model, a black and white cat sculpture made from plastic building blocks.
2. What's in the Box
Before you begin, please verify that all components are present in your package:
- Instruction Manual
- Bricks (over 1360 pieces)
- Pins
- Pin Driver
- Quick Guide
3. Safety Information
Warning: Small Parts inside. Recommended for ages 14 or above.
Keep small parts away from young children to prevent choking hazards. Adult supervision is recommended for younger builders within the recommended age range.
4. Assembly Instructions
The JEKCA building system uses a unique interlocking brick-through mechanism to create sturdy and stable models. Follow these general steps for assembly:
- Connect Bricks: Align the bricks according to the instruction manual.
- Insert Pin: Insert a pin through the designated holes in the aligned bricks.
- Lock Pin: Use the provided pin driver to turn the pin 90 degrees. This locks the bricks securely in place.

Image: A visual representation of the JEKCA interlocking system, illustrating how pins are inserted and turned to secure bricks.

Image: A simplified three-step guide demonstrating the assembly process: inserting the pin, rotating it 90 degrees with the driver, and the resulting secure connection.
For a visual demonstration of the JEKCA building process and the interlocking system, please watch the official product video below:
Video: An official JEKCA video demonstrating the assembly of various brick sculptures, highlighting the interlocking system and the stability of the finished models.
5. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 16.26 x 3.19 x 11.34 inches |
| Item Weight | 2.49 pounds |
| Item Model Number | ST19CA11-M02 |
| Manufacturer Recommended Age | 14 years and up |
| Number of Pieces | Over 1360 |

Image: A diagram illustrating the approximate dimensions of the assembled JEKCA Cat model.
6. Maintenance
To maintain the appearance and integrity of your JEKCA model:
- Cleaning: Dust regularly with a soft, dry cloth. For deeper cleaning, gently wipe with a damp cloth and mild soap, then dry thoroughly. Avoid harsh chemicals or abrasive materials.
- Storage: Store the model in a stable location away from direct sunlight or extreme temperatures to prevent material degradation or discoloration.
- Handling: While the interlocking system provides stability, handle the model with care to prevent accidental disassembly or damage.
7. Troubleshooting
If you encounter any issues during assembly or with your completed model:
- Missing Pieces: Carefully check all packaging materials. If pieces are genuinely missing, please contact JEKCA customer support.
- Difficulty Connecting Bricks: Ensure pins are fully inserted and rotated 90 degrees. Sometimes, a slight adjustment in brick alignment is needed.
- Model Instability: Double-check that all pins are correctly inserted and locked. Review the assembly steps for any missed connections.
8. Warranty and Support
For specific warranty information, replacement parts, or further assistance, please refer to the contact information provided in your product packaging or visit the official JEKCA website. JEKCA is committed to providing quality products and support for their customers.
You can also visit the JEKCA Store on Amazon for more information and products.