1. Introduction
This manual provides detailed instructions for assembling your JEKCA Cat 07S-M03 Dark Grey Cat building block sculpture. JEKCA building blocks utilize a patented interlocking brick-through technology, allowing for sturdy construction without the need for glue. This kit is designed to create a realistic, real-scale cat sculpture.
Recommended Age: This product is recommended for individuals aged 14 years and above due to the intricate nature of the assembly and the presence of small parts.

Image 1.1: The fully assembled JEKCA Cat 07S-M03 Dark Grey Cat sculpture.
2. What's Included
Before beginning assembly, please verify that all components are present in your kit:
- Bricks (various shapes and sizes)
- Instruction Manual (this document)
- Pins (for interlocking bricks)
- Pin Driver (tool for inserting pins)
- Quick Guide
3. Assembly Instructions
The JEKCA building system uses a unique interlocking mechanism. Each brick is secured using small pins inserted with a pin driver. Follow the included detailed instruction manual for step-by-step guidance. Patience and focus are essential for a successful build.
3.1. Basic Interlocking Mechanism
The core of JEKCA construction involves inserting pins through aligned holes in the bricks to create a strong, stable connection. This method ensures the finished sculpture is robust without requiring adhesive.

Image 3.1: Demonstrates the two-step process of inserting a pin and turning it 90 degrees with the pin driver to secure bricks.

Image 3.2: Visual representation of the sturdy interlocking connection between JEKCA bricks.
3.2. Following the Main Instruction Manual
Refer to the dedicated instruction manual included in your kit for the complete assembly sequence. This manual provides detailed diagrams and steps specific to the Cat 07S-M03 model. Ensure each step is completed accurately before proceeding to the next.

Image 3.3: An example of a JEKCA sculpture in progress, illustrating the layer-by-layer building method.
4. Maintenance
Once assembled, your JEKCA sculpture requires minimal maintenance. To keep it clean, gently dust the surface with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials, as these may damage the plastic bricks.
5. Troubleshooting
- Missing Pieces: In the event of missing bricks or pins, please contact JEKCA customer support directly. Provide details of the missing components and your purchase information.
- Difficulty with Instructions: If you find the included instructions challenging, consider searching for online video tutorials or community forums for additional visual guidance. Some users have found external resources helpful for understanding the building methodology.
- Loose Connections: Ensure all pins are fully inserted and turned 90 degrees with the pin driver. A proper turn locks the bricks securely.
6. Product Specifications
| Feature | Detail |
|---|---|
| Brand | JEKCA |
| Model Name | Cat 07S-M03 |
| Model Number | ST19CA07-M03 |
| Color | Dark Grey |
| Material Type | Plastic |
| Number of Pieces | 1230 |
| Recommended Age | 14 years and up |
| Item Dimensions (L x W x H) | 16.26 x 3.19 x 11.34 inches (41.3 x 8.1 x 28.8 cm) |
| Educational Objective | Concentration, Construction Skills |
| Additional Features | Sturdy without glue |

Image 6.1: Dimensional overview of the assembled JEKCA Cat 07S-M03 sculpture.
7. Safety Information
WARNING: CHOKING HAZARD - Small Parts. This product contains small parts and is not suitable for children under 3 years of age. The recommended age for assembly is 14 years and above. Adult supervision is advised for younger builders within the recommended age range.
8. Warranty and Support
JEKCA is committed to providing high-quality products. For any inquiries, missing parts, or support needs, please contact JEKCA customer service. Information regarding returns and exchanges typically follows the retailer's policy, which may include a 30-day return period.
For direct support, please visit the official JEKCA website or contact their customer service department.