1. Introduction
Thank you for choosing the COGO 3-in-1 City Fire Truck Building Set, Model 3086. This set allows you to construct three different emergency vehicles: a fire truck, a rescue helicopter, and a fire rescue boat. This manual provides essential information for assembly, operation, maintenance, and safety to ensure an enjoyable and safe building experience.
This building set is designed to foster creativity and problem-solving skills through hands-on construction. Please read all instructions carefully before beginning assembly.

Image 1.1: A child engaging with the COGO 3-in-1 City Fire Truck, showcasing the versatility of the set with helicopter and boat models.
2. Safety Information
- Age Recommendation: This building set is suitable for children aged 3 years and older (36 to 240 months).
- Small Parts Warning: The set contains small parts which may pose a choking hazard for children under 3 years. Adult supervision is recommended during assembly and play.
- Intended Use: For play use only. Do not ingest any parts.
- Material Safety: Made from durable, non-toxic plastic.
3. Package Contents
The COGO 3-in-1 City Fire Truck Building Set includes the following:
- 249 plastic building pieces.
- One detailed instruction manual for assembling all three models.
Please verify that all pieces are present before beginning assembly. If any parts are missing or damaged, please contact customer support.

Image 3.1: The product packaging and a visual representation of the three models with their approximate dimensions.
4. Setup and Assembly
Assembly of the COGO 3-in-1 City Fire Truck Building Set is straightforward and requires no special tools. Follow the step-by-step instructions provided in the included instruction manual.
- Unpack: Carefully open the box and remove all building pieces and the instruction manual.
- Sort: It is recommended to sort the pieces by color or type to facilitate easier assembly.
- Follow Instructions: Refer to the dedicated instruction manual for detailed, visual steps to build the fire truck, helicopter, or boat. Each model has its own assembly sequence.
- Connect Pieces: Firmly press pieces together to ensure a secure connection.
You can choose to build one model at a time. To build a different model, you will need to disassemble the current model first.
5. Operating Instructions
Once assembled, the COGO 3-in-1 models offer various interactive features for imaginative play.
5.1 Fire Truck
- Movable Ladder: The fire truck features an extendable and rotatable ladder. The ladder can rotate 360 degrees and extend to reach higher areas.
- Water Cannon: The end of the ladder includes a simulated water cannon for realistic play scenarios.

Image 5.1: The fire truck's ladder can rotate 360 degrees and extend for dynamic play.
5.2 Rescue Helicopter
- Rotating Blades: The main and tail rotor blades can be manually rotated.
- Landing Gear: The helicopter includes retractable or fixed landing gear for ground operations.

Image 5.2: Detailed views of the rescue helicopter model.
5.3 Fire Rescue Boat
- Propeller: The rear propeller can be manually rotated.
- Maneuverability: Designed for imaginative water rescue scenarios (not suitable for actual water use).

Image 5.3: Detailed views of the fire rescue boat model.

Image 5.4: The three models in action, demonstrating their roles in a rescue scenario.
6. Maintenance
Proper care will ensure the longevity of your COGO building set.
- Cleaning: Wipe the building pieces and assembled models with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the building set in a cool, dry place away from direct sunlight to prevent discoloration or warping of plastic parts. Keep all pieces together to avoid loss.
- Disassembly: When disassembling models to build a new one, do so gently to avoid stressing or breaking the plastic connectors.
7. Troubleshooting
- Missing Pieces: If you discover any missing pieces upon opening the set, please contact COGO customer support with your product model number and a description of the missing part.
- Difficulty Connecting Pieces: Ensure pieces are aligned correctly before applying pressure. If a piece is particularly stiff, try wiggling it gently while pressing. Do not force pieces together, as this may cause damage.
- Model Instability: Double-check all connections according to the instruction manual. Loose connections can lead to an unstable model.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | COGO |
| Model Number | 3086 |
| Number of Pieces | 249 |
| Material | Plastic |
| Color | Red |
| Minimum Manufacturer Age | 36 months (3 years) |
| Maximum Manufacturer Age | 240 months (20 years) |
| Item Dimensions (L x W x H) | 27.5 x 25.5 x 6 cm |
| Item Weight | 480 grams |
| Included Components | Instruction Manual |
| Assembly Required | No (refers to tools, assembly of blocks is required) |
9. Warranty and Support
Warranty: This product is provided without a warranty. Please inspect the product upon receipt for any defects or missing parts.
Customer Support: For any questions, concerns, or assistance with missing parts, please contact the retailer or manufacturer directly. Keep your purchase receipt and product model number (3086) handy for faster service.