1. Introduction
This manual provides instructions for the JOYIN 4-Piece Vehicle Toy Set. This set includes a police car, school bus, garbage truck, and ambulance, designed to provide engaging play for children aged 3 years and up. Each vehicle features friction-powered movement, realistic lights, and siren sounds to enhance imaginative play.

Image 1.1: The complete JOYIN 4-Piece Vehicle Toy Set, showcasing the ambulance, school bus, garbage truck, and police car.
2. What's Included
Your JOYIN Vehicle Toy Set package contains the following items:
- 1 x Police Car
- 1 x School Bus
- 1 x Garbage Truck
- 1 x Ambulance
3. Setup
Follow these steps to prepare the vehicle toy set for play:
- Unboxing: Carefully remove all vehicles from their packaging.
- Remove Protective Materials: Ensure all plastic ties, tape, and protective films are removed from each vehicle. Dispose of packaging materials responsibly.
- Initial Inspection: Check each vehicle for any visible damage or loose parts. If any issues are found, please refer to the Warranty & Support section.
- No Batteries Required: These toys are friction-powered and do not require batteries for movement. Lights and sounds are pre-installed and ready for use.
4. Operating Instructions
Each vehicle in the set offers unique interactive features:
4.1 General Operation: Friction Power
To operate the friction-powered movement, simply push the vehicle forward on a flat surface and then release it. The internal friction mechanism will propel the vehicle forward.

Image 4.1: Demonstration of friction-powered movement for the vehicles.
4.2 Police Car
- Lights & Sounds: Press the button located on the top of the police car to activate realistic siren sounds and flashing lights.
- Openable Trunk: The trunk of the police car can be opened for interactive play.

Image 4.2: Detailed view of the police car's interactive features, including lights, sounds, and an openable trunk.
4.3 School Bus
- Lights & Sounds: Press the button on the top of the school bus to activate realistic sounds and flashing lights.
- Openable Doors: The side doors of the school bus can be opened and closed for added play scenarios.

Image 4.3: Detailed view of the school bus's interactive features, including lights, sounds, and openable doors.
4.4 Garbage Truck
- Lights & Sounds: Press the button on the top of the garbage truck to activate realistic sounds and flashing lights.
- Openable Rear Cover: The rear cover of the garbage truck can be opened.
- Liftable Tank Body: The tank body of the garbage truck can be lifted, simulating waste collection.

Image 4.4: Detailed view of the garbage truck's interactive features, including lights, sounds, openable rear cover, and liftable tank body.
4.5 Ambulance
- Lights & Sounds: Press the button on the top of the ambulance to activate realistic siren sounds and flashing lights.
- Opening Door: The side door of the ambulance can be opened for interactive play.

Image 4.5: Detailed view of the ambulance's interactive features, including lights, sounds, and an opening side door.
5. Safety Information
Please observe the following safety guidelines:
- Recommended Age: This toy set is suitable for children aged 3 years and up.
- Child Safe Materials: The vehicles are made from non-toxic materials and meet US toy safety standards.
- Supervision: Adult supervision is recommended during play, especially with younger children.
- Avoid Misuse: Do not throw, step on, or apply excessive force to the toys, as this may cause damage or injury.
- Small Parts: While the main vehicles are large, always check for any small, detachable parts that could pose a choking hazard.
6. Maintenance
To ensure the longevity and cleanliness of your toy set, follow these maintenance tips:
- Cleaning: Wipe the vehicles with a soft, damp cloth. Do not immerse them in water or use harsh cleaning agents.
- Storage: Store the toys in a cool, dry place away from direct sunlight when not in use.
- Inspection: Periodically inspect the vehicles for any wear and tear, especially on moving parts and wheels.
7. Troubleshooting
If you encounter any issues with your JOYIN Vehicle Toy Set, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights or sounds not working | Button not fully pressed; internal connection issue. | Ensure the button is pressed firmly. If the issue persists, contact customer support. |
| Vehicle not moving smoothly with friction power | Debris in wheels; uneven surface; internal mechanism issue. | Check wheels for any obstructions. Use on a smooth, flat surface. If problem continues, contact customer support. |
| Doors/covers not opening/closing | Stuck mechanism; debris. | Gently check for any small debris. Do not force moving parts. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 11958 |
| Brand | JOYIN |
| Package Dimensions | 14.17 x 8.34 x 5.28 inches |
| Item Weight | 2.53 pounds |
| Recommended Age | 3 years and up |
| Power Source | Friction-powered (no batteries required for movement) |
| Manufacturer | JOYIN INC |

Image 8.1: Product size dimensions for each vehicle in the set.
9. Warranty & Support
JOYIN products are manufactured with quality and safety in mind. If you experience any issues with your product or have questions, please contact JOYIN customer support through the retailer's platform or the official JOYIN website. Please retain your proof of purchase for any warranty claims.
For further assistance, visit the JOYIN Store on Amazon.