1. Introduction
This instruction manual provides detailed guidance for the installation, operation, and maintenance of your LightGo LED Lighting Kit, specifically designed for the Lego 21330 Home Alone Building Set. This kit enhances your model with various lighting effects, including a remote control for convenient operation. Please read this manual thoroughly before beginning installation to ensure proper setup and safe use.
Note: The Lego 21330 Home Alone Building Set is not included with this lighting kit and must be purchased separately.
2. Package Contents
Please verify that all components listed below are present in your package:
- LED Lighting Kit components (various LED lights, wires, connectors)
- RC Module (Remote Control Module)
- Remote Control
- USB Power Cable
- Battery Box (Batteries not included)
- Detailed Installation Instructions (printed manual)

Figure 2.1: Overview of the LightGo LED Lighting Kit components and packaging dimensions. The image displays various small bags containing LED lights and wires, a light-up hub, and the main product box with dimensions 7.28 x 4.72 x 1.77 inches. It also clearly states "ONLY LIGHT KIT" and "MODEL NOT INCLUDED" with an image of the Lego model crossed out.
3. Safety Information
Please observe the following safety precautions:
- This product is intended for users aged 8 years and up.
- The LED kit operates on a 5V low-voltage power supply. Do not connect to higher voltage sources.
- Keep small components away from young children to prevent choking hazards.
- Avoid excessive force when installing wires and lights to prevent damage.
- Do not expose the components to water or extreme temperatures.
- Ensure proper polarity when inserting batteries into the battery box.
4. Setup and Installation
Installation of the LightGo LED Lighting Kit requires careful attention to detail. Refer to the included printed instruction manual for step-by-step visual guidance. The general process involves integrating the LED lights into your pre-assembled Lego 21330 Home Alone Building Set.
- Prepare Your Model: Ensure your Lego 21330 Home Alone Building Set is fully assembled and stable.
- Identify Light Placement: The detailed instructions will guide you on where to place each LED light within the model, including specific rooms, the vehicle, treehouse, and exterior elements.
- Connect Wires: Carefully route the thin connection wires (0.8mm diameter) to minimize visibility and avoid interfering with the model's structure. Connect them to the RC module.
- Power Connection:
- Insert 3x AA batteries (not included) into the battery box, observing correct polarity.
- Alternatively, connect the USB power cable to a 5V power source such as a power bank, laptop, USB wall adapter, or USB-socket.
- Test Lights: Before fully securing all components, perform a preliminary test to ensure all lights are functioning correctly.

Figure 4.1: Detailed views of the illuminated Lego Home Alone house, showcasing the interior lighting in various rooms, the lit roof dormers, and the colorful flashing lights at the entrance. This image provides examples of the final lighting effects to guide installation.
5. Operation
The LightGo LED Lighting Kit (Remote Version) features an RC module, allowing you to control the lighting effects remotely.
- Power On: Ensure the kit is connected to a power source (USB or battery box).
- Remote Control: Use the provided remote control to turn the lights on and off, and to control individual lighting branches or effects as per the remote's functions.
- Lighting Design Highlights:
- Each room of the building is illuminated, primarily with warm white light.
- The vehicle's front and rear lights, along with the cab, are lit.
- Warm white lights are used inside the treehouse, while cold white lights simulate a snow effect.
- Colorful flashing lights are positioned at the front door to enhance the festive atmosphere.
- Cold white lights highlight the building's roof eaves.

Figure 5.1: The fully illuminated Lego Home Alone house with a hand holding the remote control, demonstrating the remote operation capability of the lighting kit. The house interior, exterior, and accompanying vehicle are all lit.

Figure 5.2: A side-by-side comparison showing the Lego Home Alone house with the LED lights turned OFF (top) and ON (bottom), illustrating the transformative effect of the lighting kit.
6. Maintenance
To ensure the longevity and optimal performance of your LightGo LED Lighting Kit, follow these maintenance guidelines:
- Cleaning: Gently dust the LED lights and wires with a soft, dry cloth. Avoid using liquid cleaners.
- Handling: Handle the wires and LED components with care to prevent bending or breaking.
- Storage: If storing the model for an extended period, disconnect the power source and consider removing batteries from the battery box to prevent leakage.
- Wire Management: Periodically check that wires are not pinched or stressed, which could lead to damage.
7. Troubleshooting
If you encounter issues with your lighting kit, refer to the following common troubleshooting steps:
- Lights Not Turning On:
- Check if the power source (USB or battery box) is properly connected and functioning.
- If using the battery box, ensure batteries are correctly inserted and have sufficient charge.
- Verify all connections between the LED lights, wires, and the RC module are secure.
- Ensure the remote control has working batteries and is pointed towards the RC module.
- Some Lights Not Working:
- Inspect the specific light and its connecting wire for any visible damage or loose connections.
- Gently re-seat the connector for the affected light into the RC module.
- Remote Control Not Responding:
- Replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the RC module.
If you continue to experience issues, please contact LightGo customer support for assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | LG21330 |
| Product Dimensions | 7.28 x 4.72 x 1.77 inches (packaging) |
| Item Weight | 5.6 ounces |
| Power Supply | 5V (USB cable or 3x AA batteries via battery box) |
| Recommended Age | 8 years and up |
| Control Type | Remote Control (RC Module) |
9. Warranty and Support
LightGo is committed to providing high-quality products. For any questions, concerns, or technical support regarding your LED Lighting Kit, please refer to the contact information provided in your product packaging or visit the official LightGo website. Your satisfaction is important to us, and we will endeavor to provide a prompt reply to your inquiries.