Introduction
This manual provides detailed instructions for assembling, operating, and maintaining your Cada C51207 WW2 Off-road Racing Police SUV building block set. This 561-piece set allows you to construct a highly detailed 1:12 scale police vehicle with dual control modes (2.4G remote control and Bluetooth APP) and programming capabilities. The design features a rough and coordinated body based on special police vehicle prototypes, offering a low difficulty build for an enjoyable experience.
Package Contents
Please verify that all components are present before beginning assembly:
- 561 x Building Block Pieces (Self-Locking Bricks, ABS Plastic)
- 1 x 2.4GHz Remote Control Unit
- 1 x Instruction Manual (this document and physical building guide)
- (Note: Batteries for the vehicle's receiver and remote control are not included and must be purchased separately.)

Image: The 561 building block pieces and a partially assembled vehicle, illustrating the 'low difficulty build' concept.
Specifications
| Feature | Detail |
|---|---|
| Brand | Cada |
| Model Number | C51207 |
| Model Name | WW2 Off-road Racing |
| Number of Pieces | 561 |
| Block Type | Small building block (Compatible with Lego) |
| Plastic Block Shape | Self-Locking Bricks |
| Plastic Type | ABS |
| Material | Plastic |
| Is Electric | No Battery (User-supplied batteries required for RC functions) |
| Control Methods | 2.4GHz Remote Control, Bluetooth APP (Remote control, Drag and drop, Gyroscope, Path) |
| Recommended Age | 6-12Y, 14+y, 18+ |
| Origin | Mainland China |
| Certification | CE |
| Warning | Can Not Eat |
Assembly Instructions
The Cada C51207 set is designed for a low difficulty build, making the assembly process enjoyable. Please follow the detailed, step-by-step pictorial instructions provided in the physical building guide included with your set. Ensure all pieces are accounted for before starting.
Key Features and Movable Components:
- Doors: The vehicle's doors can be opened manually.
- Top Machine Gun: The machine gun mounted on top of the vehicle can be rotated.


Operating Instructions
1. Powering On
Insert the required batteries (not included) into the vehicle's receiver and the 2.4GHz remote control unit. Ensure both are switched ON.
2. 2.4GHz Remote Control Operation
The dedicated 2.4GHz remote control provides direct command over the vehicle. It features an interference-free system, allowing multiple cars to operate simultaneously without signal conflicts.

- Power Switch: Located on the remote control.
- Power Indicator: Lights up when the remote is on.
- Driving: Use the left joystick to control forward and backward movement.
- Steering: Use the right joystick to control left and right turns.
3. Bluetooth APP Control
The CaDA Smart+ app offers enhanced control and programming capabilities via Bluetooth connectivity. Ensure your mobile device meets the system requirements: iOS 13.0 or above, Android 8.0 or above.
App Download Instructions:
Click on the CaDA Smart+ icon within the app store or scan the QR code provided in the physical manual to download the application.

App Control Modes:
The app provides four distinct control interfaces:
- Remote Control Operation: A virtual joystick interface for traditional remote control.
- Gyroscope Control: Utilize your phone's gravity sensor to control the vehicle's movement by tilting your device.
- Path Planning Gameplay: Draw a custom path on your screen, and the vehicle will follow it.
- Programming Control Gameplay (Drag and Drop): Learn basic programming by arranging command modules in a visual, drag-and-drop interface.




Product Demonstration Video:
Video: A demonstration of the Cada C51207 Police SUV in action, showcasing both remote control and various app control modes including path planning, gyroscope control, and programming.
Maintenance
- Cleaning: Wipe the building blocks and electronic components with a soft, dry cloth. Avoid using water or harsh cleaning chemicals, as these can damage the materials and electronics.
- Storage: Store the assembled vehicle or disassembled blocks in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, it is recommended to disassemble the vehicle and remove all batteries from both the vehicle's receiver and the remote control to prevent leakage.
Troubleshooting
- Vehicle not responding to remote control:
- Ensure fresh batteries are correctly installed in both the vehicle's receiver and the 2.4GHz remote control.
- Verify that both the vehicle and the remote control are powered ON.
- Check for any obstructions between the remote and the vehicle.
- App connectivity issues:
- Confirm that Bluetooth is enabled on your mobile device.
- Ensure your phone meets the minimum system requirements (iOS 13.0+ or Android 8.0+).
- Try restarting the CaDA Smart+ app and then the vehicle.
- Ensure the vehicle is within the effective Bluetooth range (approximately 10 meters).
- Vehicle moves erratically in programming mode:
- Carefully review the programmed sequence in the app for any incorrect command modules or order.
- Ensure all command modules are correctly placed and connected in the visual programming interface.
User Tips
- This building block set is a great alternative for teaching children the basics of programming through its intuitive drag-and-drop interface.
- Engaging with the CaDA Smart+ app's Scratch programming features can help develop logical thinking, exploratory ability, practical skills, and comprehensive problem-solving capabilities.
- The high-quality brick pieces and compact structure are designed to help children exercise hands-on skills and foster logical thinking during assembly and play.

Safety Information
- WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- WARNING: Can Not Eat. Keep small parts away from young children.
- Not suitable for children under 3 years due to small parts which may present a choking hazard.
- Adult supervision is recommended during assembly and play, especially for younger users.
- Do not operate the vehicle near water or in wet conditions to prevent damage to electronic components.
- Ensure proper battery installation and removal. Always remove batteries when the product is not in use for extended periods.
Warranty and Support
For product support, technical assistance, or inquiries regarding your Cada C51207 WW2 Off-road Racing Police SUV building block set, please contact the seller directly through your purchase platform or refer to the official Cada website for further information.






