1. Introduction
This instruction manual provides detailed guidance for the installation, operation, and maintenance of your GEAMENT Light Kit, specifically designed for the LEGO Architecture London Skyline 21034 model. Please read this manual thoroughly before beginning installation to ensure proper setup and optimal performance.
Important Note: This product is an LED lighting kit only. The LEGO Architecture London Skyline 21034 model set is NOT included.

Figure 1.1: Packaging insert clarifying that the LEGO model set is not included with the light kit.
2. Package Contents
Verify that all components are present in your package before starting the installation. The standard GEAMENT Light Kit for the London Skyline 21034 includes:
- LED lighting components (various lights and connecting wires)
- Battery box (requires 3x AA batteries, not included)
- User manual (this document)
- Additional installation instructions (PDF download link provided in physical packaging)

Figure 2.1: Contents of the GEAMENT Light Kit, including LED components and the battery box.
3. Safety Information
Please observe the following safety precautions:
- Keep small parts away from children to prevent choking hazards.
- Do not expose the lighting components to water or excessive moisture.
- Ensure correct battery polarity when inserting batteries into the battery box.
- If the USB port or battery box becomes hot during use, immediately disconnect power and contact customer support.
- This product is recommended for ages 15 years and up.
4. Setup and Installation
The GEAMENT Light Kit is designed for installation on an already assembled LEGO Architecture London Skyline 21034 model. It is recommended to complete the model assembly first before proceeding with the light kit installation.
4.1. Preparation
- Ensure your LEGO London Skyline 21034 model is fully assembled and stable.
- Gather all light kit components and organize them according to the detailed PDF instructions (download link provided in your package).
- Prepare 3x AA batteries for the battery box.
4.2. Installation Steps
Follow the step-by-step instructions provided in the downloadable PDF manual for precise placement of each LED component. The general process involves:
- Connecting Lights: Carefully attach the small LED lights to specific points on your model as indicated in the detailed instructions. These often involve placing lights under or within existing LEGO bricks.
- Routing Wires: Neatly route the thin connecting wires between the LEGO bricks to conceal them as much as possible. Avoid pinching or damaging the wires.
- Connecting to Power: Connect all light strings to the main power cable, which then connects to the battery box or a USB power source.
- Testing: Periodically test the lights during installation to ensure all connections are secure and functioning correctly.
Video 4.1: Demonstration of the GEAMENT Light Kit installed on the LEGO Architecture London Skyline 21034 model, showcasing the lighting effects. This video provides a visual overview of the illuminated model.

Figure 4.2: The GEAMENT Light Kit illuminating the London Skyline model, displaying vibrant colors on the Ferris wheel and warm lights on other structures.
5. Operating Instructions
5.1. Powering On/Off
To power on the light kit, ensure batteries are correctly inserted into the battery box or the USB cable is connected to a power source. Locate the power switch on the battery box or USB connector and switch it to the "ON" position. To turn off the lights, switch it to the "OFF" position.
5.2. Light Modes (if applicable)
Some light kits may feature multiple lighting modes (e.g., steady on, flashing, color cycling). Refer to your specific PDF instructions for details on how to cycle through these modes, typically via a button on the battery box or USB connector.

Figure 5.1: Example of the lighting effect with mixed colors on the Ferris wheel and static lights on the buildings.

Figure 5.2: Another example of the lighting effect, featuring warm orange lights on the Ferris wheel.
6. Maintenance
6.1. Cleaning
To clean the light kit and your model, gently wipe with a dry, soft cloth. Avoid using liquids or abrasive cleaners, as these can damage the electrical components or the LEGO bricks.
6.2. Battery Replacement
When the lights dim or stop working, it's time to replace the batteries. Open the battery compartment on the battery box, remove the old batteries, and insert new 3x AA batteries, ensuring correct polarity. Dispose of old batteries responsibly.
6.3. Storage
If storing the model for an extended period, remove the batteries from the battery box to prevent leakage and potential damage to the electrical components.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights do not turn on. |
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| Some lights are not working. |
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| USB port or battery box gets hot. |
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8. Product Specifications
- Brand: GEAMENT
- Model: Light Kit for 21034 London Skyline
- Power Source: Battery box (3x AA batteries, not included) or USB power
- Product Dimensions: 5.91 x 3.94 x 1.18 inches (packaging)
- Item Weight: 3.88 ounces
- Recommended Age: 15 years and up
9. Warranty and Support
For warranty information, technical support, or to report any issues with your GEAMENT Light Kit, please refer to the contact information provided in your product packaging or visit the official GEAMENT store on Amazon:
We are committed to providing high-quality lighting kits and excellent customer service.