1. Introduction
Thank you for choosing the KYGLARING LED Light Kit. This kit is designed to bring your 21061 Notre-Dame de Paris building block model to life with vibrant illumination. This manual provides essential information for the safe and effective installation, operation, and maintenance of your light kit. Please read it thoroughly before beginning installation.
2. Safety Information
- WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Choking Hazard: Small parts. Not for children under 3 years old. Recommended age for use is 14+ years.
- Keep all components away from water and excessive heat.
- Do not attempt to modify or disassemble the LED components. This may damage the product and void any potential warranty.
- Ensure power source is less than 5V to prevent damage to the LEDs.
3. Package Contents
Your KYGLARING LED Light Kit package includes the following components:
- Various LED light strings and strips
- Connecting cables and expansion boards
- Small building block pieces for integration
- USB power cable
- PDF instruction manual (digital)
The building block model itself is NOT included in this package.

4. Specifications
| Feature | Specification |
|---|---|
| Brand Name | KYGLARING |
| Model Number | ky40370 |
| Compatible Model | 21061 Notre-Dame de Paris |
| Material | Plastic (ABS) |
| Power Input | Less Than 5V |
| Power Source Options | Power Bank, Battery Box (AAA Battery compatible), USB Hub |
| Block Shape | Self-Locking Bricks (Compatible with Lego) |
| Recommended Age | 14+ years |
| Certification | CE (Certificate Number: WST21N020015R) |
| High-concerned chemical | None (Refer to Safety Information for California Proposition 65 warning) |
5. Setup Instructions
The installation of the LED Light Kit requires careful attention to detail. Please follow the comprehensive PDF instruction manual provided with your kit for step-by-step guidance. A general overview of the process is as follows:
- Preparation: Ensure your 21061 Notre-Dame de Paris building block model is fully assembled and stable. Gather all components of the light kit.
- Identify Lighting Points: The PDF manual will guide you on where each LED light and strip should be placed within your model. This often involves carefully separating existing blocks to insert wires and lights.
- Connect Components: Connect the individual LED lights and strips to the provided expansion boards using the connecting cables. Pay close attention to the polarity and correct ports as indicated in the PDF.
- Route Wires: Carefully route the wires between and through the building blocks to conceal them as much as possible, ensuring they are not pinched or damaged.
- Assemble Sections: Reassemble the building block sections around the installed lights and wires.
- Connect to Power Source: Once all lights are installed and connected to the expansion boards, connect the main power cable to an appropriate power source (Power Bank, Battery Box, or USB Hub).
Important: Refer to the detailed PDF instruction manual for specific diagrams and precise installation steps for your model.

6. Operating Instructions
Operating your KYGLARING LED Light Kit is straightforward once installed:
- Power On: Connect the USB power cable from the light kit to a compatible 5V power source. This can be a power bank, a battery box (using AAA batteries), or a USB hub.
- Enjoy: The lights should illuminate immediately. Some kits may include a switch on the battery box or an inline switch on the USB cable for easy on/off control.
- Power Off: Disconnect the USB power cable from the power source to turn off the lights.
7. Maintenance
To ensure the longevity and optimal performance of your LED Light Kit:
- Cleaning: Gently dust the LED lights and wires with a soft, dry cloth. Avoid using liquid cleaners directly on the electronic components.
- Storage: If storing the model for an extended period, disconnect the power source. Store in a cool, dry place away from direct sunlight.
- Handling: Always handle the model and its integrated light kit with care to avoid damaging wires or LEDs.
- Battery Replacement: If using a battery box, replace AAA batteries as needed. Ensure correct polarity when inserting new batteries.
8. Troubleshooting
If your LED Light Kit is not functioning as expected, try the following troubleshooting steps:
- Lights Not Turning On:
- Check if the power source (power bank, battery box, USB hub) is properly connected and functional.
- If using a battery box, ensure batteries are correctly inserted and not depleted.
- Verify all cable connections between the LEDs, expansion boards, and power source are secure.
- Ensure the power input is 5V or less.
- Some Lights Not Working:
- Inspect the connections for the specific non-working lights. A loose connection is a common cause.
- Check for any pinched or damaged wires.
- If a single LED is faulty, it may need replacement. Contact support if necessary.
- Flickering Lights:
- Ensure the power source provides stable power. Try a different power source.
- Check for loose connections.
If you continue to experience issues after following these steps, please contact customer support.
9. User Tips
- Install Carefully: Take your time during installation. Rushing can lead to damaged wires or components.
- Test Periodically: Test the lights at various stages of installation to ensure everything is working before fully reassembling the model.
- Wire Management: Use the small building block pieces or adhesive clips (if provided) to neatly tuck away excess wiring for a cleaner look.
10. Warranty and Support
For any questions, technical assistance, or warranty claims, please refer to the seller's contact information or the official KYGLARING website. Keep your proof of purchase for any warranty-related inquiries.
