1. Product Overview
The CubicFun 660534 Eiffel Tower 3D LED Puzzle allows you to construct a detailed 3D model of the iconic Eiffel Tower. This kit features 51 high-quality pieces that interlock without the need for glue or scissors. Once assembled, the model can be illuminated with colorful LED lights, making it a distinctive display piece.

Figure 1: The CubicFun Eiffel Tower 3D LED Puzzle packaging, displaying the illuminated model and key features.
2. Safety Information
WARNING: Not suitable for children under 3 years due to small parts. Choking hazard.
- Keep all small parts away from young children.
- Adult supervision is recommended during assembly.
- Do not ingest any parts of the puzzle.
3. Package Contents
Before beginning assembly, please verify that all components are present:
- 51 x 3D Puzzle Pieces
- 1 x LED Base
- 1 x Instruction Manual (illustrated)
Note: 3 x AAA batteries are required for the LED function and are not included in the package.

Figure 2: Contents of the product box, including puzzle sheets, the LED lamp base, and the instruction manual.
4. Setup and Assembly
Follow the illustrated instructions provided in the manual for step-by-step assembly. No glue or scissors are required.
- Unpack Components: Carefully remove all puzzle pieces and the LED base from the packaging.
- Identify Pieces: Refer to the illustrated manual to identify the different puzzle sheets and individual pieces.
- Assemble Structure: Begin assembling the Eiffel Tower structure by interlocking the pieces as shown in the diagrams. The pieces are designed for a precise fit.
- Integrate LED Base: Once the main structure is complete, integrate the LED base into the bottom of the Eiffel Tower model.
- Insert Batteries: Open the battery compartment on the LED base and insert 3 x AAA batteries (not included), ensuring correct polarity.

Figure 3: The fully assembled Eiffel Tower 3D puzzle model.
Video 1: A demonstration of assembling a CubicFun 3D LED puzzle (Titanic model), illustrating the general assembly process and LED integration.
5. Operating the LED Lights
The LED base features a switch with multiple settings to control the illumination of your Eiffel Tower model.
- Position "II": Activates a steady yellow light, providing a classic illuminated look.
- Position "I": Activates colorful lights, cycling through various hues for a dynamic display.
- Position "O": Turns the LED lights off.

Figure 4: Detail of the LED base switch, showing the "II" for yellow light and "I" for colorful lights.

Figure 5: The Eiffel Tower model illuminated with vibrant, colorful LED lights.
Video 2: A CubicFun 3D LED cityline model, demonstrating the illumination feature with various lights.
6. Maintenance
- Cleaning: Dust the model gently with a soft, dry cloth. Avoid using liquid cleaners, which may damage the material or electronic components.
- Battery Replacement: When the LED lights dim or stop working, replace the 3 x AAA batteries in the base. Ensure proper disposal of old batteries.
- Storage: Store the assembled model in a dry place away from direct sunlight to prevent material degradation or fading.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| LED lights do not turn on. |
|
|
| Lights are dim. | Batteries are low. | Replace with new AAA batteries. |
| Pieces do not fit together. |
|
|
8. Specifications
- Model Number: 660534
- Brand: CubicFun
- Number of Pieces: 51
- Assembled Dimensions: Approximately 23.2 x 25 x 37 cm (9.1 x 9.8 x 14.6 inches)
- Material: Polystyrene (PS)
- Power Source for LED: 3 x AAA batteries (not included)
- Recommended Age: 8 years and up
- Educational Value: Spatial awareness, hand-eye coordination, concentration, patience, shape recognition.
9. Warranty and Support
For any inquiries regarding product defects or missing parts, please contact CubicFun customer support. Keep your purchase receipt as proof of purchase.
Visit the CubicFun store for more information: CubicFun 3D Puzzle Store





