1. Introduction and Overview
This LIGHTAILING LED Light Kit is designed to enhance your LEGO Ideas Tree House (model 21318) by adding dynamic lighting. The kit is crafted from original materials and assembled by hand to ensure quality and compatibility with your building blocks. Please note that the LEGO Tree House model itself is not included with this light kit.
The kit includes a USB light kit, an instruction guide, and a battery box. Our goal is to provide a product that brings new vitality to your LEGO creations with an amazing lighting design.

Image: The LIGHTAILING LED Light Kit illuminates the LEGO Ideas Tree House, highlighting its intricate details.
2. Setup and Installation
The installation of the LED light set can be customized to your preference. It is crucial to install your LED lights carefully. Avoid hard pulling, bending, or shaking the components to prevent damage. Detailed paper instructions are included in the package, and online installation videos are available by scanning the QR code on the product box.
For power, prepare three AA batteries (not included) or use a USB charger. Ensure the voltage of the USB charger is less than 5V to prevent burning out the lights.

Image: Overview of the LIGHTAILING LED Light Kit components and instruction manual.
Installation Video Guide
Video: Official installation guide for the LEGO Ideas Tree House 21318 LED Light Kit by Lightailing Toys. This video demonstrates the process of integrating the light kit into your LEGO model.
3. Operating Instructions
Once the light kit is installed and connected to a power source (either three AA batteries or a USB charger under 5V), the lights will illuminate your LEGO Tree House. The kit may include remote control compatibility, allowing for various regular and spotlight effects. Refer to the included instruction guide for specific details on operating the remote control and adjusting light settings.

Image: Detailed view of the illuminated LEGO Tree House, showcasing the light effects.
4. Maintenance
To ensure the longevity and optimal performance of your LIGHTAILING LED Light Kit, follow these maintenance guidelines:
- Gentle Handling: Always handle the light wires and components with care. Avoid excessive pulling, bending, or shaking, as this can damage the delicate wiring and LED units.
- Power Source: When not in use for extended periods, disconnect the power source (remove batteries or unplug the USB cable) to conserve battery life and prevent any potential electrical issues.
- Cleaning: If necessary, gently dust the light components with a soft, dry cloth. Avoid using liquids or abrasive cleaners.
- Storage: If you need to store your LEGO model with the light kit, ensure it is placed in a stable environment where the wires will not be pinched or stressed.
5. Troubleshooting
If you encounter any issues with your LIGHTAILING LED Light Kit, please consider the following common troubleshooting steps:
- Lights Not Working:
- Check if the power source is correctly connected and functioning.
- If using batteries, ensure they are new and inserted with the correct polarity.
- If using a USB charger, verify it is providing less than 5V.
- Inspect all wire connections to ensure they are secure and not loose.
- Dim or Flickering Lights:
- Replace old batteries with new ones.
- Ensure the USB power supply is stable.
- Check for any pinched or damaged wires that might be causing intermittent contact.
- Individual Lights Not Illuminating:
- Carefully check the connection of the specific light unit.
- Ensure the wire leading to that light is not broken or severed.
If these steps do not resolve the issue, please do not hesitate to contact LIGHTAILING customer support for further assistance.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | LIGHTAILING |
| Model Number | LGK82 |
| Compatible LEGO Model | LEGO Ideas Tree House 21318 |
| Light Source Type | Light Emitting Diode (LED) |
| Power Source | Battery (3 AA batteries required, not included), USB (Voltage less than 5V) |
| Material | Plastic |
| Item Weight | 160 Grams |
| Special Features | Remote control compatibility, regular and spotlight effects |
| UPC | 716852282128 |
7. Warranty and Support
LIGHTAILING is committed to providing quality products and services. While specific warranty details are not provided in this manual, if you encounter any problems or have questions regarding your LED Light Kit, please contact LIGHTAILING customer support directly.
You can visit the official LIGHTAILING store for more information and support: LIGHTAILING Store on Amazon.
We are dedicated to assisting you and ensuring a happy shopping experience.







