1. Introduction
This manual provides detailed instructions for assembling the STpro Building Bricks ST-02 set. This set contains over 1600 miniature building blocks designed to create a classic cartoon character model. It is intended to offer an engaging and challenging building experience for individuals aged 12 and above, fostering concentration, hand-eye coordination, and problem-solving skills. The finished model serves as a decorative display piece.

Image 1.1: The completed STpro Building Bricks character in pink.
2. Safety Information
Warning: This product contains small parts. It is not suitable for children under three years old due to choking hazards. Adult supervision is recommended for younger users (ages 12+).
3. Package Contents
Upon opening the product box, you should find the following items:
- Over 1600 miniature building blocks (various colors and shapes)
- One detailed instruction manual
- Additional spare parts to account for any missing pieces

Image 3.1: A large quantity of miniature building blocks, indicating the 1600+ pieces included in the set.
4. Setup and Preparation
Before beginning assembly, ensure you have a clean, well-lit workspace. The miniature size of the blocks requires careful handling.
- Unpack Contents: Carefully open the packaging and remove all bags of building blocks and the instruction manual.
- Sort Blocks: It is highly recommended to sort the building blocks by color and shape. This will significantly facilitate the assembly process and help in locating specific pieces as needed.
- Review Instructions: Familiarize yourself with the instruction manual. It provides a step-by-step guide with visual diagrams for each stage of construction.
Important Note: The precise placement of each block is critical. Incorrect placement may prevent subsequent steps from fitting correctly or compromise the stability of the final model.

Image 4.1: A hand holding a micro mini block, illustrating the small size of the building components (5mm and 8mm blocks shown for reference).
5. Assembly Instructions
Follow the detailed, step-by-step instructions provided in the included manual. Each step is illustrated to guide you through the construction of your character model.
- Begin by identifying the base layers as shown in the manual.
- Carefully connect the blocks, ensuring a snug fit.
- Refer to the diagrams for correct orientation and placement of each piece.
- Work layer by layer, building upwards according to the instructions.

Image 5.1: A visual representation of the 16-step installation guide, demonstrating the layered assembly process for the character.

Image 5.2: An example of the assembly process, showing the instruction manual, bags of blocks, and a partially constructed blue character.
Assembly Video Guide
For a visual demonstration of the assembly process, please refer to the official product video below. This video illustrates key steps and techniques for building your STpro character.
Video 5.1: Official STpro Stitch Building Blocks assembly guide. This video demonstrates the step-by-step construction of the blue character model.
6. Product Specifications
| Product Dimensions | 4.52 x 6.5 x 5.3 inches |
| Item Weight | 14.7 ounces |
| Item Model Number | ST-02 |
| Manufacturer Recommended Age | 12 months and up (Note: Product description suggests 12+ years for complexity) |
| Manufacturer | STpro |
| Material | ABS Plastic |

Image 6.1: Size comparison of two STpro building block characters next to an A4 paper, illustrating the scale of the models.
7. Maintenance and Care
To ensure the longevity and appearance of your STpro Building Bricks model:
- Cleaning: Dust the model gently with a soft, dry cloth. For more thorough cleaning, use a slightly damp cloth and mild soap, then dry immediately. Avoid harsh chemicals.
- Storage: Store the assembled model or unbuilt blocks in a cool, dry place away from direct sunlight to prevent discoloration or material degradation.
- Handling: Handle the model with care, especially if it contains delicate or loosely connected parts.
8. Troubleshooting
If you encounter difficulties during assembly:
- Missing Pieces: While additional parts are included, if you believe you are missing critical pieces, please contact STpro customer support.
- Blocks Not Fitting: Double-check the instruction manual to ensure the correct blocks are being used and that they are oriented properly. Sometimes, a slight adjustment in pressure or angle is needed for miniature blocks.
- Model Instability: Review previous steps to confirm all blocks are securely connected. Ensure no steps were skipped or incorrectly assembled, as this can affect overall stability.
9. Warranty and Support
For information regarding product warranty, returns, or further technical assistance, please contact STpro customer support directly. Refer to the product packaging or the STpro official website for contact details.
You can visit the STpro Store for more information: STpro Store on Amazon.