1. Introduction
Thank you for choosing the JEKCA English Bulldog Building Blocks set, Model ST19PT17-M03. This instruction manual provides essential information for assembling and maintaining your JEKCA sculpture. This set is designed for individuals aged 14 years and above, offering a detailed and engaging building experience with over 1390 pieces.

Figure 1: Completed JEKCA English Bulldog sculpture.
2. Safety Information
- Small Parts: This product contains small parts which may pose a choking hazard. Keep away from young children.
- Age Recommendation: Recommended for individuals aged 14 years and above.
- Adult Supervision: Adult supervision is recommended for younger builders within the recommended age range.
3. Package Contents
Please verify that all the following items are included in your package:
- Instruction Manual
- Bricks (over 1390 pieces)
- Pins
- Pin Driver
- Quick Guide
If any items are missing or damaged, please contact JEKCA customer support.
4. Assembly Instructions
The JEKCA English Bulldog model utilizes a patented interlocking brick-through system, ensuring a sturdy and durable final sculpture. Follow the detailed step-by-step instructions provided in the included building manual for optimal results.
4.1. Preparation
- Unpack all components and verify against the package contents list.
- Organize bricks by color and size to facilitate easier assembly. Small containers can be helpful for this step.
- Ensure you have a clean, well-lit workspace.
4.2. Basic Building Steps
- Layer-by-Layer Construction: Follow the instruction manual to build the model layer by layer. Each step will illustrate which bricks to place.
- Insert Pins: After placing a brick, insert the provided pins through the designated holes to secure it to the underlying bricks.
- Turn 90 Degrees: Use the pin driver to turn the pins 90 degrees, locking the bricks firmly in place. This unique locking mechanism provides exceptional stability.

Figure 2: Illustration of the JEKCA interlocking pin system.
Refer to the included detailed instruction manual for specific brick placement and pin insertion points for each step of the English Bulldog model.

Figure 3: The JEKCA English Bulldog model, demonstrating its scale.
5. Building Techniques and Tips
- Patience is Key: Building intricate models requires patience. Take your time with each step.
- Review Instructions: If a step seems unclear, review the diagrams carefully and check the subsequent steps for clarification. Often, reviewing the next one or two pages can clarify the current step.
- Secure Connections: Ensure all pins are fully inserted and turned 90 degrees to maximize the model's stability. This system makes the sculpture very sturdy and resistant to accidental disassembly.
- Extra Pieces: It is common for JEKCA sets to include a few extra small pieces. Do not be concerned if you have a few bricks or pins remaining after completion.

Figure 4: Examples of completed JEKCA English Bulldog models.
6. Maintenance and Care
- Cleaning: To clean your JEKCA sculpture, gently wipe it with a soft, dry cloth. For more stubborn dust, a slightly damp cloth can be used, followed by immediate drying. Avoid harsh chemicals or abrasive cleaners.
- Storage: Store the completed model in a stable location to prevent accidental falls. If disassembling for storage, keep all pieces organized to prevent loss.
- Sunlight Exposure: Prolonged exposure to direct sunlight may cause colors to fade over time.
7. Troubleshooting
- Issue: Instructions are unclear or difficult to follow.
- Solution: JEKCA instructions are primarily visual. Carefully examine the diagrams for each step. Often, reviewing the next one or two pages can clarify the current step. Ensure you are using the correct brick types and colors as indicated.
- Issue: Missing pieces or pins.
- Solution: Double-check your workspace and packaging for any overlooked pieces. If parts are genuinely missing, please contact JEKCA customer support with details of the missing components.
- Issue: Model feels unstable or parts are not locking securely.
- Solution: Ensure that all pins are fully inserted into the bricks and rotated 90 degrees using the pin driver. The interlocking system is designed for high stability, so any looseness usually indicates a pin is not correctly engaged.
8. Specifications
| Product Name | JEKCA English Bulldog Building Blocks |
| Model Number | ST19PT17-M03 (also known as 01S-M03) |
| Number of Pieces | >1390 pieces |
| Recommended Age | 14 years and up |
| Product Dimensions (L x W x H) | 11.57 x 6.14 x 7.2 inches (29.4 x 15.6 x 18.3 cm) |
| Item Weight | 2.66 pounds |
| Manufacturer | JEKCA Limited |
9. Warranty and Support
JEKCA products are designed for quality and durability. For any questions, missing parts, or support inquiries regarding your JEKCA English Bulldog Building Blocks set, please contact JEKCA customer service directly. Specific warranty details may vary; please refer to the documentation included with your purchase or visit the official JEKCA website for the most current information.
You can often find contact information for JEKCA through their official store page on Amazon or their dedicated website.
