1. Important Safety Information
This product contains small parts and is recommended for individuals aged 14 years and above. Keep small parts away from young children to prevent choking hazards.
Adult supervision is advised during assembly, especially for younger users within the recommended age range.
2. Package Contents
Before beginning assembly, please verify that all components are present in your package:
- Instruction Manual
- Building Bricks (over 1190 pieces)
- Connecting Pins
- Pin Driver Tool
- Quick Guide
If any parts are missing or damaged, please contact JEKCA customer support for assistance.
3. Assembly Instructions
The JEKCA Sagittarius 01S model utilizes a patented interlocking brick-through system for sturdy construction. Follow the detailed steps provided in the included instruction manual for precise assembly.
General Assembly Steps:
- Identify the required bricks and pins for the current step as indicated in the manual.
- Align the bricks according to the diagram.
- Insert the connecting pins through the designated holes to secure the bricks.
- Use the provided pin driver tool to gently push the pins fully into place. Ensure pins are flush with the brick surface for a secure fit.
- Repeat these steps, following the sequence in the instruction manual, until the model is complete.

Image: Illustration of the JEKCA interlocking system, showing how bricks are connected with pins and the use of the pin driver tool.
For visual guidance on the assembly process, refer to the official JEKCA videos. While the following video may feature a different model, it demonstrates the general building technique:
Video: A general JEKCA brand video showcasing various building block models, including the Eiffel Tower, and demonstrating the stability of assembled structures. This video illustrates the product type and assembly concept.
Sagittarius 01S Model Overview:

Image: Front view of the JEKCA Sagittarius 01S model, displaying its overall dimensions.

Image: Detailed front view of the JEKCA Sagittarius 01S model, highlighting its block construction.

Image: Side view of the JEKCA Sagittarius 01S model, showing its profile and intricate details.

Image: Back view of the JEKCA Sagittarius 01S model, showcasing the rear construction.
4. Care and Maintenance
- Cleaning: To clean the assembled model, gently wipe with a dry, soft cloth. For stubborn dust, a slightly damp cloth can be used, followed by immediate drying. Avoid harsh chemicals or abrasive cleaners.
- Storage: Store the model in a cool, dry place away from direct sunlight to prevent discoloration or material degradation.
- Handling: While the JEKCA system is designed for sturdiness, avoid excessive force or dropping the model to prevent parts from detaching.
5. Troubleshooting
- Missing Pieces: If you discover any missing bricks or pins, please refer to the contact information in the Warranty and Support section to request replacements.
- Difficulty Connecting Bricks: Ensure that the pins are correctly aligned with the holes. Apply firm, even pressure with the pin driver tool. Do not force misaligned pins.
- Model Instability: Double-check that all pins are fully inserted and flush with the brick surfaces. Review previous steps in the instruction manual to ensure no steps were missed or incorrectly assembled.
6. Specifications
| Model Name | Sagittarius 01S |
| Model Number | ST26ZF09 |
| Brand | JEKCA |
| Recommended Age | 14 years and up |
| Number of Pieces | >1190 |
| Product Dimensions (L x W x H) | 5.67 x 5.43 x 10.16 inches (14.4 x 13.8 x 25.8 cm) |
| Item Weight | 2.86 pounds (1.3 kg) |
| Material | Plastic |
7. Warranty and Support
JEKCA products are manufactured to high-quality standards. For information regarding product warranty, missing parts, or technical support, please visit the official JEKCA website or contact their customer service department.
JEKCA Official Website: www.jekca.com
Please retain your purchase receipt as proof of purchase for any warranty claims.


