Introduction
This manual provides essential instructions for the safe and proper operation, setup, and maintenance of your NKOK Sonic Free Rider R/C vehicle. Please read this manual thoroughly before use and retain it for future reference.
The NKOK Sonic Free Rider R/C is a full-function radio-controlled vehicle featuring Sonic the Hedgehog on a skateboard. It operates on a 2.4 GHz frequency, allowing for multiple vehicles to be raced simultaneously. Key features include forward, reverse, left, and right turns, along with a turbo boost function for increased speed.

Image: The NKOK Sonic Free Rider R/C vehicle, featuring Sonic on a skateboard, packaged in its retail box with the remote control visible.
Safety Information
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
- Always operate the R/C vehicle in open areas, away from people, pets, and obstacles.
- Do not operate near streets, cars, or bodies of water.
- Adult supervision is recommended for children under 8 years of age.
- Do not touch the motor or batteries during or immediately after operation, as they may become hot.
- Remove batteries from the vehicle and controller when not in use for extended periods.
- Dispose of used batteries responsibly.
What's in the Box
- 1 x NKOK Sonic Free Rider R/C Vehicle
- 1 x Remote Controller

Image: The Sonic Free Rider R/C vehicle, depicting Sonic on a skateboard, alongside its blue remote control unit.
Setup
Battery Installation
The NKOK Sonic Free Rider R/C vehicle and its controller require AA batteries for operation.
- Vehicle Battery Installation:
- Locate the battery compartment on the underside of the Sonic Free Rider R/C vehicle.
- Using a screwdriver (not included), open the battery compartment cover.
- Insert 5 "AA" batteries (not included) into the compartment, ensuring correct polarity (+/-).
- Replace the battery compartment cover and secure it with the screw.
- Controller Battery Installation:
- Locate the battery compartment on the back of the remote controller.
- Using a screwdriver (not included), open the battery compartment cover.
- Insert 1 "AA" battery (not included) into the compartment, ensuring correct polarity (+/-).
- Replace the battery compartment cover and secure it with the screw.
Note: A total of 6 AA batteries are required for full operation (5 for the vehicle, 1 for the controller). Batteries are not included.
Operating Instructions
Pairing the Controller and Vehicle
The 2.4 GHz system automatically pairs the controller with the vehicle. Ensure both the vehicle and controller are switched ON. The indicator light on the controller will confirm successful pairing.
Basic Controls
- Forward: Push the left joystick forward.
- Reverse: Pull the left joystick backward.
- Turn Left: Push the right joystick left.
- Turn Right: Push the right joystick right.
- Turbo Boost: Press the dedicated Turbo Boost button on the controller for increased speed. This feature works in both forward and reverse.

Image: A child holding the blue remote control, operating the Sonic Free Rider R/C vehicle on a paved surface, demonstrating active play.
Driving Tips
- Operate on smooth, flat surfaces for best performance.
- Avoid wet or sandy areas to prevent damage to internal components.
- The vehicle features rubber tires for traction and adjustable front wheel alignment for better control.
- Practice steering and speed control in an open area before attempting complex maneuvers.
Maintenance
- Cleaning: Wipe the vehicle and controller with a soft, dry cloth. Do not use water or chemical cleaners.
- Storage: Store the R/C vehicle and controller in a cool, dry place away from direct sunlight. Remove batteries if storing for extended periods.
- Battery Care: Always use fresh batteries. Do not mix old and new batteries, or different types of batteries.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not respond. |
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| Vehicle moves slowly or erratically. |
|
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| Turbo Boost not activating. |
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Specifications
- Model Number: 631
- Brand: NKOK
- Product Dimensions: 8.5 x 4.13 x 8 inches
- Item Weight: 3.52 ounces
- Recommended Age: 6 - 15 years
- Batteries Required: 5 "AA" batteries (for vehicle), 1 "AA" battery (for controller) - Batteries not included
- Radio Frequency: 2.4 GHz
- Features: Full function R/C (Forward, Reverse, Left, Right), Turbo Boost

Image: Diagram illustrating the dimensions of the Sonic Free Rider R/C vehicle: 8 inches height, 4.13 inches width, and 8.5 inches length.
Warranty and Support
Specific warranty information is not provided in the product details. For warranty inquiries or technical support, please contact NKOK customer service directly.
You may visit the official NKOK store for more information: NKOK Store on Amazon





