Introduction
This manual provides detailed instructions for the assembly, operation, and maintenance of your HJPLPXH Mechanical T-Rex Dinosaur Building Blocks Set, Model 13087. This collectible model features intricate movable gears, integrated LED lights, and a motor to bring your dinosaur to life. Please read this manual thoroughly before beginning assembly to ensure a smooth and enjoyable building experience.
Safety Information
WARNING: CHOKING HAZARD – Small parts. Not suitable for children under 3 years of age. Adult supervision is recommended during assembly and operation, especially for younger users. Keep all small components away from infants and pets.
Package Contents
Verify that all components are present before starting assembly. The package should contain:
- Approximately 1268 building block pieces
- Motor and LED light components
- Instruction Manual (this document)
- Display Stand components
If any parts are missing or damaged, please refer to the 'Warranty and Support' section for assistance.
Setup and Assembly
The assembly process involves 1268 pieces and requires careful attention to detail. Follow the step-by-step instructions provided in the included printed manual for optimal results. Organize your pieces by type and color to facilitate the building process.
- Unpack Components: Carefully remove all building blocks and electronic components from their packaging.
- Follow Printed Manual: Refer to the dedicated assembly manual for detailed, illustrated steps on constructing the T-Rex model. This includes building the mechanical ribcage, textured skin, and functional jaw.
- Integrate Electronics: During assembly, integrate the motor and LED light components as indicated in the manual. Ensure all connections are secure for proper functionality.
- Assemble Display Stand: Construct the display stand according to the instructions to provide a stable base for your finished model.

Image: The fully assembled HJPLPXH Mechanical T-Rex Dinosaur Building Blocks Set, showcasing its intricate design and display stand.
Operating Instructions
Once assembled, your Mechanical T-Rex model can perform various movements and light up.
- Power On: Locate the power switch for the motor and LED lights, typically found on the base or body of the dinosaur. Switch it to the 'ON' position.
- Activate Movement: The model features a rotating handle, usually located on the display stand or base. Turn this handle to activate the intricate system of movable gears and articulated joints, simulating realistic walking, roaring, and biting motions.
- LED Lights: The built-in LED lights will illuminate the T-Rex's jaw, spine, and mechanical gears when powered on, creating a dynamic visual effect.

Image: Detailed views of the rotating handle for driving movement, head rotation, and foot rotation mechanisms.

Image: The T-Rex model with its integrated LED lights active, showcasing the illuminated jaw and mechanical details.
Maintenance
To ensure the longevity and optimal performance of your Mechanical T-Rex model, follow these maintenance guidelines:
- Cleaning: Gently dust the model regularly with a soft, dry cloth to prevent dust accumulation in the gears and crevices. Avoid using liquid cleaners, which may damage electronic components or plastic.
- Joint Inspection: Periodically check the articulated joints and gear connections to ensure they remain secure. The model is designed for sturdy construction, but regular checks help maintain its integrity.
- Storage: When not on display, store the model in a clean, dry environment away from direct sunlight and extreme temperatures to prevent material degradation.
Troubleshooting
If you encounter any issues with your Mechanical T-Rex model, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Model does not move | Power switch off; loose motor connection; gears jammed. | Ensure power switch is ON. Check motor wiring. Inspect gears for obstructions and clear them. |
| LED lights do not illuminate | Power switch off; loose LED connection; damaged LED. | Ensure power switch is ON. Check LED wiring. If still not working, contact support. |
| Parts fall off easily | Incorrect assembly; loose connections. | Review the assembly manual to ensure all pieces are correctly and securely attached. Apply gentle pressure to snap pieces firmly into place. |
If the problem persists or is not listed above, please contact customer support for further assistance.
Specifications
- Model Name: Mechanical T-Rex Dinosaur Building Blocks Set
- Model Number: 13087
- Brand: HJPLPXH
- Number of Pieces: 1268
- Material: Plastic
- Assembled Dimensions (L x W x H): Approximately 36.1 x 21.1 x 22.1 cm (14.17 x 8.3 x 8.7 inches)
- Features: Movable Gears, LED Lights, Motorized Function, Display Stand
- Educational Objective: Creative Thinking
- Additional Features: Scratch Resistant

Image: Dimensional overview of the assembled Mechanical T-Rex model.
Warranty and Support
Your satisfaction is important to us. If you have any questions, require assistance with missing parts, or encounter any problems during the assembly or operation process, please do not hesitate to contact our customer support. We are committed to providing a prompt solution for you.
Please refer to the contact information provided with your purchase or on the product packaging for the most direct support channels.