Introduction
This instruction manual provides detailed guidance for the assembly and care of your COBI Historical Collection WWII Boeing™ B-17F Flying Fortress™ Memphis Belle Aircraft - Executive Edition building block model. This 1:48 scale replica is designed for enthusiasts aged 10 years and up, offering a rewarding building experience and a highly detailed display piece.
Key features of this model include:
- 1376 high-quality elements ensuring a robust and detailed construction.
- Includes 2 pilot figures, a name plate, and a block display stand for showcasing your completed model.
- Manufactured in the EU by COBI, a company with over 20 years of tradition in producing quality building block sets.
- Clear and intuitive instructions based on illustrations and step-by-step directions for ease of assembly.
- Fully compatible with other brands of construction blocks, allowing for expanded creative possibilities.
Safety Information
WARNING:
This set contains small parts and is not suitable for children under 3 years old due to choking hazards. Adult supervision is recommended during assembly, especially for younger builders.
Always keep building blocks away from extreme heat sources to prevent deformation or damage.
Setup and Assembly
The COBI Boeing™ B-17F Flying Fortress™ model requires assembly using the provided building blocks and detailed instructions. Follow the step-by-step illustrated guide included in the product packaging.
- Unpacking: Carefully open the product box and remove all bags of building blocks, the instruction manual, and any additional components like figures or the display stand.
- Sorting: For an easier assembly process, it is recommended to sort the building blocks by color and size before beginning.
- Following Instructions: Refer to the comprehensive instruction booklet. Each step is clearly illustrated to guide you through the construction of the aircraft. Pay close attention to the orientation of pieces and the number of studs required for connections.
- Component Integration: The manual will guide you on integrating specific features such as the rotating propellers, movable ailerons, and the bomb bay with accessories.
- Display Stand Assembly: Once the aircraft is complete, assemble the included display stand according to its dedicated instructions. The aircraft can then be securely placed on the stand for display.

Image: The fully assembled COBI B-17F Flying Fortress model, showcasing its detailed design and camouflage pattern.

Image: The product box highlighting various features and details of the B-17F Flying Fortress model, including its scale and piece count.
Operating Features
Your COBI B-17F Flying Fortress model includes several interactive features designed to enhance realism and playability:
- Rotating Propellers: Each of the four engine propellers can be manually rotated.
- Movable Ailerons: The ailerons on the wings are designed to be movable, simulating flight control surfaces.
- Retractable Landing Gear: The landing gear can be manually extended for display on a flat surface or retracted for an in-flight appearance when placed on the display stand.
- Opening Bomb Bay: The bomb bay doors can be opened to reveal internal storage for the included bomb accessories.
- Turrets and Guns: The various gun turrets on the aircraft are designed to rotate, and the machine guns can be positioned.

Image: A detailed view of the B-17F's cockpit interior, showing the intricate dashboard and seating area.

Image: A close-up demonstrating the retractable landing gear mechanism of the B-17F model.

Image: The COBI B-17F Flying Fortress model displayed on its stand, accompanied by the two pilot figures.
Maintenance
To ensure the longevity and appearance of your COBI building block model, follow these simple maintenance guidelines:
- Cleaning: Dust the model regularly with a soft, dry cloth or a soft brush. For more thorough cleaning, gently wipe with a damp cloth and mild soap, then rinse with clean water and air dry completely. Avoid harsh chemicals or abrasive materials.
- Storage: Store the model in a cool, dry place away from direct sunlight to prevent color fading and material degradation.
- Handling: Handle the model with care, especially when moving it, to prevent accidental detachment of pieces.
Troubleshooting
If you encounter any issues during assembly or with your completed model, consider the following common solutions:
- Missing Pieces: Double-check all packaging and bags. If a piece is genuinely missing, contact COBI customer support with details of the missing part (refer to the part list in the instruction manual).
- Difficulty Connecting Pieces: Ensure pieces are correctly aligned and apply firm, even pressure. Some new pieces may require a bit more force to connect initially.
- Model Instability: Review the assembly steps for the section that feels unstable. Ensure all connections are fully pressed together and that no steps were skipped or pieces incorrectly placed.
- Instructions Unclear: Re-read the step carefully and examine the illustrations closely. Sometimes, a different perspective can clarify the intended connection.
Specifications
| Attribute | Detail |
|---|---|
| Product Dimensions | 19.5 x 26 x 5.1 inches (49.5 x 66 x 13 cm) |
| Item Weight | 4.07 pounds (1.85 kg) |
| ASIN | B0CCR2F5GT |
| Item Model Number | 5749 |
| Manufacturer Recommended Age | 10 years and up |
| Number of Elements | 1376 |
| Scale | 1:48 |
| Manufacturer | COBI |
| Country of Origin | USA (Note: Product manufactured in EU, company based in USA) |
| Date First Available | August 2, 2023 |

Image: Side profile of the B-17F model illustrating its length (49.5 cm / 19.49 inches) and height (14 cm / 5.51 inches).

Image: Top-down view of the B-17F model showing its wingspan (66 cm / 25.98 inches) and length (49.5 cm / 19.49 inches).

Image: A graphic detailing the technical specifications of the actual Boeing B-17F Flying Fortress, including dimensions, weight, engine, range, and armament.
Warranty Information
COBI products are manufactured to high-quality standards. For specific warranty details regarding your COBI building block set, please refer to the documentation included in your product packaging or visit the official COBI website. Typically, warranties cover manufacturing defects and missing parts. Please retain your proof of purchase for any warranty claims.
Customer Support
For assistance with assembly, missing parts, or any other inquiries regarding your COBI Boeing™ B-17F Flying Fortress™ model, please contact COBI customer support.
- Online Support: Visit the official COBI website for FAQs, troubleshooting guides, and contact forms.
- Contact Information: Refer to the product packaging or the COBI website for the most current contact details, including email and phone support.
When contacting support, please have your model number (5749) and proof of purchase readily available.