1. Introduction
This instruction manual provides detailed guidance for assembling and operating the COGO City Racing Base Building Blocks Playset, Model 3401. This set allows you to construct a racing car and a racing base with various components. Please read these instructions carefully before beginning assembly to ensure correct construction and safe use.
2. Safety Information
WARNING: CHOKING HAZARD – Small parts. Not suitable for children under 3 years (36 months). Recommended for ages 6-12 years. Adult supervision is recommended during assembly and play.
Keep all packaging materials away from children to prevent suffocation. Do not ingest any parts of the playset. If any parts are damaged, discontinue use immediately.
3. Package Contents
Verify that all components are present before starting assembly. The COGO City Racing Base Building Blocks Playset (Model 3401) includes:
- 218 Building Block Pieces
- 1 Racing Car (components for assembly)
- 1 Racing Base (components for assembly)
- 5 Mini-Figures (racing crew)
- 1 Sheet of Colorful Stickers
- 1 Instruction Sheet (this manual)

Figure 3.1: The product packaging displaying the assembled racing car, racing base, mini-figures, and accessories. The box also indicates the model number 3401, 218 pieces, and an age recommendation of 6+. Dimensions of the box are 37.5cm x 25.5cm x 6cm.
4. Setup and Assembly
Follow the step-by-step instructions provided in the included instruction sheet to assemble the racing car and the racing base. Sort the building blocks by color and type to facilitate the assembly process.
4.1 Assembling the Racing Car
- Begin by constructing the chassis of the racing car using the larger base plates.
- Attach the engine and cockpit components as indicated in the diagrams.
- Assemble the wheels and attach them to the car's axles.
- Add the spoiler and other aerodynamic elements to complete the car's structure.
- Apply the colorful stickers to the racing car as desired for decoration.

Figure 4.1: A close-up view of the fully assembled red racing car, featuring the number '1' and 'COGO' branding. The car has a driver in the cockpit and detailed wheel design.
4.2 Assembling the Racing Base
- Start with the base plate for the racing pit area.
- Construct the fuel pumps and service station elements.
- Assemble the tire racks and other pit lane accessories.
- Position the mini-figures around the base to simulate a pit crew.

Figure 4.2: The assembled racing base, including two fuel pumps, a service area, and two mini-figures. The image also displays approximate dimensions: 16.4cm length, 8cm width, and 9.2cm height.

Figure 4.3: Two of the five included mini-figures, dressed in red racing suits with "SPEED" decals and matching helmets. One figure has a clear visor, the other has dark sunglasses.
5. Operating Instructions
The COGO City Racing Base Building Blocks Playset is designed for imaginative play. Once assembled, the racing car features a pull-back mechanism for movement.
- Racing Car Movement: Place the assembled racing car on a flat, smooth surface. Gently pull the car backward, then release it to activate the pull-back motor and send it forward.
- Interactive Play: Use the racing base and mini-figures to create various racing scenarios, such as pit stops, pre-race preparations, or victory celebrations.
- Customization: The building blocks allow for creative modifications. Users can reconfigure the racing base or car components to design their own unique structures.

Figure 5.1: The complete COGO City Racing Base Building Blocks Playset, showcasing the assembled racing car, racing base with fuel pumps, and several mini-figures engaged in a pit stop scene. Spare tires and tools are also visible.
6. Maintenance
Proper care will ensure the longevity of your building blocks playset.
- Cleaning: Wipe the blocks with a damp cloth and mild soap if necessary. Avoid harsh chemicals or abrasive cleaners. Ensure all parts are dry before storage.
- Storage: Store the playset in a cool, dry place away from direct sunlight to prevent discoloration or warping of plastic parts. Keep small parts in a container to avoid loss.
- Inspection: Periodically inspect all pieces for any signs of damage or wear. Replace any broken or severely worn parts to maintain safety and functionality.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pieces do not fit together | Incorrect orientation or wrong piece selected. | Refer to the instruction sheet diagrams. Ensure pieces are aligned correctly. |
| Racing car does not move smoothly | Wheels are not properly attached or pull-back mechanism is obstructed. | Check wheel assembly. Ensure no debris is blocking the pull-back mechanism. |
| Missing parts | Parts may have been overlooked during unboxing. | Carefully check all packaging materials. If parts are genuinely missing, contact customer support. |
8. Specifications
- Model Number: 3401
- Brand: COGO (Generic)
- Number of Pieces: 218
- Material: Plastic
- Product Dimensions (Assembled):
- Racing Car: Approximately 28 x 12 x 7 cm (estimated from images)
- Racing Base: Approximately 16.4 x 8 x 9.2 cm
- Recommended Age: 6 - 12 years
- Educational Objective: Logical Thinking, Problem Solving, Design, Imagination
- Power Source: Manual (pull-back mechanism for car)
- Batteries Required: No
- Included Components: 5 Mini-Figures, Colorful Stickers, Racing Base, Racing Car components
9. Warranty and Support
For any inquiries regarding missing parts, assembly issues, or product defects, please contact the retailer or manufacturer's customer support. Please retain your proof of purchase for warranty claims, if applicable.
This product is designed for durability and enjoyment when used as intended. Any modifications or misuse may void potential warranties.