1. Introduction
This manual provides comprehensive instructions for the assembly, setup, operation, and maintenance of your CaDA C51075W Blaze Sport Car Building Kit. Please read this manual thoroughly before beginning assembly to ensure correct usage and to maximize your experience with the product.
2. Product Overview
The CaDA C51075W Blaze Sport Car is a 1:20 scale remote-controlled building block model consisting of 295 pieces. This kit allows for the construction of a detailed sport car featuring a smart chassis platform. It offers versatile control options, including a 2.4 GHz remote control and a dedicated mobile application with advanced functionalities such as Scratch graphical programming, gyroscope operation, and path planning. The design emphasizes both an engaging building experience and dynamic play.

Image 2.1: The CaDA C51075W Blaze Sport Car, showcasing the assembled model, packaging, remote control, and mobile app interface.
3. Package Contents
Verify that all components are present before starting assembly. The package should contain:
- 295 Building Block Pieces for the Blaze Sport Car
- 1 Smart Chassis Platform
- 1 2.4 GHz Remote Control
- Instruction Manual (printed)
Note: Batteries for the remote control are not included. The smart chassis platform does not include an internal battery and requires external power (e.g., from the remote control or app-controlled system).
4. Assembly Instructions
Follow the detailed, step-by-step illustrations provided in the included printed instruction manual to assemble your CaDA C51075W Blaze Sport Car. The building process is designed to be engaging and educational, promoting STEM skills.
- Unpack Components: Carefully remove all building blocks and components from the packaging.
- Sort Pieces: Organize the pieces by type or color to facilitate the building process.
- Follow Manual: Refer to the printed instruction manual for precise assembly steps. Each step is illustrated to guide you.
- Connect Chassis: Integrate the smart chassis platform as indicated in the manual.
- Ensure Secure Connections: Press blocks firmly together to ensure a stable and durable structure. The quick-release design helps maintain structural integrity during play.

Image 4.1: A user engaged in the assembly process of the CaDA Blaze Sport Car, demonstrating the hands-on building experience.
Note: The building blocks are compatible with other CaDA sets and Lego bricks, allowing for customization.
5. Setup
5.1 Battery Installation (Remote Control)
- The 2.4 GHz remote control requires two (2) AA batteries.
- Open the battery compartment on the back of the remote control.
- Insert the AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment securely.

Image 5.1: Diagram illustrating the components of the 2.4 GHz remote control, including the power switch, indicator light, and control sticks for driving and steering.
5.2 App Installation
The CaDA Blaze Sport Car can also be controlled via a mobile application. To install the app:
- Locate the QR code on the product packaging.
- Scan the QR code with your smartphone or tablet.
- Follow the prompts to download and install the CaDA app.
- The app is compatible with devices running iOS 12.0+ or Android 8.0+.

Image 5.2: A smartphone displaying the CaDA app's multi-mode operation interface, featuring options for remote control, Scratch programming, gyroscope control, and path mode.
6. Operation
6.1 Remote Control Operation
Once batteries are installed in the remote control and the car's smart chassis is powered on (if applicable), you can operate the vehicle:
- Power On: Ensure the car and remote control are both switched on. The indicator light on the remote control should illuminate.
- Pairing: The remote control and car should automatically pair. If not, refer to the printed manual for specific pairing instructions.
- Driving: Use the left joystick for forward and backward movement.
- Steering: Use the right joystick for left and right steering.
- Range: The remote control operates on a 2.4 GHz frequency, providing a stable connection up to 25 meters.
6.2 App Control Operation
After installing the CaDA app and connecting it to your Blaze Sport Car (refer to in-app instructions for connection), you can access various control modes:
- Remote Control Mode: Provides a virtual joystick interface for basic driving and steering.
- Scratch Programming Mode: Allows users to program custom movement sequences using a visual block-based coding interface.
- Gyroscope Control: Control the car's movement by tilting your mobile device.
- Path Mode: Draw a path on your device screen, and the car will attempt to follow it.

Image 6.1: The CaDA Blaze Sport Car in action, controlled via a mobile application, demonstrating its dynamic capabilities.
7. Maintenance
- Cleaning: Use a soft, dry cloth to wipe down the car and remote control. Avoid using water or chemical cleaners.
- Storage: Store the building kit and its components in a cool, dry place away from direct sunlight.
- Battery Removal: If the product will not be used for an extended period, remove batteries from the remote control to prevent leakage.
- Check Connections: Periodically inspect all building block connections to ensure they are secure. Re-attach any loose pieces.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote/app. | Low or dead batteries in remote control; car not powered on; connection issue. | Replace remote control batteries; ensure car's smart chassis is powered; re-pair remote/app with car. |
| Car moves slowly or inconsistently. | Low battery power; loose connections in the car's structure. | Replace remote control batteries; ensure all blocks are securely attached. Note that the car's maximum speed is 3.8 km/h. |
| Parts detach during play. | Blocks not pressed firmly during assembly; rough handling. | Re-attach detached parts, ensuring a firm connection. Avoid operating on very rough surfaces or engaging in high-impact collisions. |
| App connection issues. | Bluetooth/Wi-Fi interference; incorrect app settings; outdated app version. | Ensure Bluetooth/Wi-Fi is enabled on your device; restart the app and car; check for app updates. |
9. Specifications
- Model Number: C51075W
- Brand: CaDA
- Number of Pieces: 295
- Scale: 1:20
- Product Dimensions (Assembled): Approximately L20 cm × W9 cm × H6 cm (7.87 in × 3.54 in × 2.36 in)
- Control Type: 2.4 GHz Remote Control, Mobile App Control
- Remote Control Range: Up to 25 meters (82 feet)
- Maximum Speed: 3.8 km/h (2.36 mph)
- Remote Control Batteries: 2 x AA batteries (not included)
- App Compatibility: iOS 12.0+ / Android 8.0+
- Compatibility: Compatible with other CaDA building sets and major building block brands.
- Recommended Age: 6+ years
10. Customer Support
For any questions, concerns, or assistance with your CaDA C51075W Blaze Sport Car Building Kit, please contact CaDA customer support. Refer to the product packaging or the official CaDA website for the most current contact information.
Online Resources: You may find additional support, FAQs, and building tips on the official CaDA website: CaDA Official Store





