1. Introduction
Thank you for choosing the MJDDJA M2115 3-in-1 Micro Building Blocks set. This manual provides essential information for assembling and enjoying your new building block models. This set allows you to construct one of three distinct animal figures: a Unicorn, a Dog, or a Bunny, using the same set of micro-sized building blocks. Please read these instructions carefully before beginning assembly.

Image 1.1: The MJDDJA M2115 3-in-1 Micro Building Blocks set, showcasing the Unicorn, Dog, and Bunny models.
2. Safety Information
- Choking Hazard: This product contains small parts and is not suitable for children under 3 years of age. Adult supervision is recommended for all users, especially those at the lower end of the recommended age range.
- Recommended Age: This building block set is recommended for ages 8 to 16 years.
- Material Safety: The micro building blocks are made from durable, BPA-free ABS material and meet US safety standards.
- Handling: Keep blocks away from pets to prevent accidental ingestion.
3. Package Contents
Please verify that all components are present before beginning assembly. Your MJDDJA M2115 set includes:
- Approximately 848 pieces of micro building blocks.
- 1 x Detailed instruction manual with colorful diagrams.

Image 3.1: Overview of package contents, including micro blocks and the instruction manual.
4. Setup and Assembly
The MJDDJA M2115 set features micro-sized building blocks, which are smaller than standard blocks. This requires increased concentration and patience during assembly. Follow these guidelines for a smooth building experience:
- Preparation: Clear a well-lit, flat surface for assembly. Ensure you have enough space to spread out the pieces.
- Sorting: It is highly recommended to sort the building blocks by color and size before starting. This will significantly simplify the assembly process.
- Follow Instructions: Refer to the included detailed, colorful instruction manual. Each step is illustrated to guide you through the construction of your chosen model (Unicorn, Dog, or Bunny).
- Step-by-Step Building: Build the model step by step, ensuring each piece is securely connected. The micro blocks have a high occlusion for better compactness.

Image 4.1: The instruction manual and micro blocks laid out for assembly.
5. Operating (Playing with the Models)
Once assembled, your MJDDJA M2115 models offer engaging play opportunities:
- Creative Play: The completed Unicorn, Dog, or Bunny models can be used for imaginative play scenarios.
- Educational Benefits: This building set promotes concentration, hand-eye coordination, and critical thinking skills. It serves as a STEM educational toy, encouraging learning through interactive construction.
- Rebuild and Transform: While only one model can be built at a time with the provided pieces, you can disassemble one model and rebuild another, exploring all three designs.

Image 5.1: Children engaging in play with the assembled models.

Image 5.2: Children developing creativity and hand-eye coordination through play.
6. Maintenance
- Cleaning: To clean the building blocks, gently wipe them with a damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- Storage: Store the blocks in a dry, cool place away from direct sunlight to prevent material degradation. Keep them in a container to avoid loss of small pieces.
7. Troubleshooting
Issue: Missing Accessories/Pieces
- Solution: If you discover any missing pieces during assembly, please contact MJDDJA customer service directly. We are committed to providing prompt support and can arrange to send replacement parts from our local Amazon warehouse in the United States.
8. Specifications
| Product Dimensions | 3 x 2.8 x 3 inches (assembled Unicorn model) |
| Item Weight | 7 ounces |
| Item Model Number | M2115 |
| Manufacturer | MJDDJA |
| Recommended Age | 8 - 16 years |
| Number of Pieces | Approximately 848 |

Image 8.1: Detailed product size information for the assembled models.
9. Warranty and Support
MJDDJA is committed to customer satisfaction. If you encounter any issues with your product, particularly regarding missing accessories, please do not hesitate to contact our customer service team. We will work to resolve your concerns promptly.
For support, please refer to the contact information provided with your purchase or visit the MJDDJA brand store on Amazon.