1. Product Overview
This manual provides instructions for the assembly, use, and maintenance of your MIKIJOYS Black Cat Micro 3D Building Blocks set, model RQ8802. This set contains approximately 3000 micro-sized building blocks designed to construct a detailed black cat figure, along with a storage solution for organizing the pieces.
What's in the Box:
- Approximately 3000 Micro Building Blocks (Black Cat design)
- Mini Brick Storage Bins (10 detachable compartments)
- Assembly Instructions (Digital via QR code)
- Small Assembly Tool (e.g., hammer, if included)
Recommended Age:
This building block set is recommended for individuals 14 years and up due to the small size of the components and the complexity of assembly.
2. Safety Information
- Choking Hazard: This product contains small parts and is not suitable for children under 3 years of age. Keep all components away from infants and young children.
- Material Safety: The blocks are crafted from non-toxic, burr-free ABS material.
- Supervision: Adult supervision is recommended for younger builders within the recommended age range.
3. Setup and Assembly
The MIKIJOYS Black Cat Micro 3D Building Blocks set requires careful assembly. Please follow the digital instructions provided to ensure correct construction.
Accessing Assembly Instructions:
This product utilizes digital instructions. Locate the QR code provided in the packaging and scan it with your smartphone or tablet to access the detailed 3D assembly guide. A stable internet connection is required to view the instructions.
Note: Printed instructions are not included with this set. If you encounter issues accessing the digital instructions, please refer to the Troubleshooting section or contact customer support.
Assembly Steps:
- Preparation: Unpack all components. Use the provided organizer bins to sort the micro-blocks by color or shape as indicated in the digital instructions. This will significantly aid in the assembly process.
- Follow Digital Guide: Carefully follow the step-by-step digital instructions. Micro-blocks require precision due to their small size.
- Connecting Blocks: Ensure each block is firmly connected to the adjacent pieces. A small assembly tool (if included) can assist in pressing blocks together.
- Patience is Key: Due to the intricate nature of micro-blocks, assembly requires patience and attention to detail. Take breaks as needed.

Figure 1: Fully assembled MIKIJOYS Black Cat Micro 3D Building Blocks figure.
4. Operating the Organizer Bins
The included storage system is designed to help manage the numerous micro-blocks during and after assembly.
Features:
- 10 Detachable Compartments: These individual bins allow for sorting blocks by color, size, or type.
- Clear Construction: The transparent design helps in quickly identifying contents.
- Secure Lid: The main storage box features a lid to keep all compartments and blocks secure.
Usage:
- Before starting assembly, separate the blocks into the individual compartments based on the digital instructions' recommendations or your preference.
- During assembly, return unused blocks to their designated compartments to prevent loss.
- After assembly, store any remaining blocks in the bins for future use or safekeeping.

Figure 2: The included storage box with detachable compartments for micro-blocks.
5. Maintenance and Care
Cleaning:
- To clean the blocks, gently wipe them with a dry, soft cloth.
- For stubborn dirt, use a slightly damp cloth with mild soap, then wipe dry immediately.
- Do not use harsh chemicals or abrasive cleaners, as these can damage the plastic.
Storage:
- Store the assembled model and any remaining blocks in a cool, dry place away from direct sunlight.
- Utilize the provided organizer bins to keep all unbuilt blocks sorted and protected from dust and loss.
6. Troubleshooting
- Issue: Cannot access digital instructions via QR code.
- Solution: Ensure your device has a stable internet connection. Try scanning the QR code again. If the issue persists, contact MIKIJOYS customer support for assistance or an alternative link to the instructions.
- Issue: Blocks do not connect securely or fall apart easily.
- Solution: Ensure you are using the correct blocks for each step as per the instructions. Apply firm, even pressure when connecting blocks. The small assembly tool can be helpful. If blocks consistently fail to connect, they may be defective; contact customer support.
- Issue: Missing pieces.
- Solution: Double-check all packaging materials and the organizer bins. Due to the small size, pieces can be easily overlooked. If pieces are genuinely missing, contact MIKIJOYS customer support for replacement parts.
- Issue: Organizer bin compartments are damaged or do not fit.
- Solution: Inspect the compartments for any manufacturing defects. If the bins are broken or unusable, contact MIKIJOYS customer support for a replacement.
7. Product Specifications
| Feature | Detail |
|---|---|
| Brand | MIKIJOYS |
| Model Number | RQ8802 |
| Product Dimensions | 7 x 6 x 15 inches (Assembled figure) |
| Item Weight | 2 pounds |
| Number of Pieces | Approximately 3000 |
| Block Size | Micro-Bricks (approx. 10mm) |
| Material | ABS Plastic |
| Recommended Age | 14 years and up |

Figure 3: Detail of micro-block dimensions.
8. Warranty and Support
MIKIJOYS is committed to providing quality products. While specific warranty details are not provided in this manual, please retain your proof of purchase for any potential warranty claims.
Customer Support:
For any questions, missing parts, or issues not covered in this manual, please contact MIKIJOYS customer support through the retailer where the product was purchased or visit the official MIKIJOYS website for contact information.