1. Introduction
This manual provides detailed instructions for the assembly, operation, and maintenance of your CaDA C51051W Racing Car building set. Please read this manual thoroughly before beginning assembly or operation to ensure proper use and longevity of your product.

Image 1.1: The CaDA C51051W Racing Car and its 2.4 GHz remote control.
2. Safety Information
Please observe the following safety guidelines:
- This set contains small parts and is not suitable for children under 3 years of age.
- Adult supervision is recommended during assembly and operation.
- Do not ingest any parts.
- Keep away from heat sources and open flames.
- Do not operate near water or in wet conditions.
3. Package Contents
Verify that all items listed below are present in your package:
- CaDA C51051W Racing Car Building Blocks Set (421 pieces)
- 2.4 GHz Remote Control
- Rechargeable Ni-MH AA400mAh 3.6V Battery
- USB Charger (Model LJ-0360250, Input: DC 5V 2A, Output: 3.6V 250mA)
- Detailed Assembly Manual

Image 3.1: The included rechargeable battery and USB charger.
4. Setup
4.1. Assembly
The CaDA C51051W Racing Car is a building block set. A detailed assembly manual is included in the package. Follow the step-by-step instructions provided in the separate assembly manual to construct your racing car. Ensure all 421 pieces are correctly assembled for optimal performance.
4.2. Battery Installation (Car)
The racing car requires one rechargeable Ni-MH AA400mAh 3.6V battery. Locate the battery compartment on the underside of the chassis. Open the compartment cover, connect the battery to the car's connector, and place the battery inside. Securely close the compartment cover.

Image 4.1: The underside of the CaDA C51051W chassis, indicating the battery compartment.
4.3. Battery Installation (Remote Control)
The remote control requires batteries (not included). Open the battery compartment on the back of the remote control. Insert the required batteries (typically AA or AAA, refer to the remote control for specific type), ensuring correct polarity. Close the compartment cover.

Image 4.2: The 2.4 GHz remote control for the CaDA C51051W Racing Car.
4.4. Charging the Car Battery
Connect the rechargeable Ni-MH battery to the provided USB charger. Plug the USB charger into a compatible USB power source (e.g., computer USB port, USB wall adapter). The charging indicator on the charger will show the charging status. Once fully charged, disconnect the battery from the charger.
4.5. Remote Control Pairing
The 2.4 GHz remote control should automatically pair with the car when both are powered on. If pairing issues occur, ensure both the car and remote control have fresh or fully charged batteries and are within close proximity.
5. Operating Instructions
Once assembled and powered, use the remote control to operate the racing car. The remote control features joysticks for forward/backward movement and left/right steering. Familiarize yourself with the controls in an open area before operating at higher speeds.
- Forward/Backward: Push the left joystick forward or backward.
- Turn Left/Right: Push the right joystick left or right.
- Speed Control: Some models may have variable speed control via the joystick sensitivity.
6. Maintenance
Proper maintenance ensures the longevity and performance of your CaDA C51051W Racing Car:
- Cleaning: Wipe the car and remote control with a dry, soft cloth. Avoid using water or chemical cleaners.
- Battery Care: Always disconnect the battery from the car when not in use. Recharge the battery only with the provided charger. Do not overcharge.
- Storage: Store the product in a cool, dry place away from direct sunlight and extreme temperatures.
- Material Care: The plastic components are generally durable. Avoid excessive force during assembly or play.
7. Troubleshooting
If you encounter issues with your racing car, refer to the following common problems and solutions:
- Car does not move:
- Ensure the car's battery is fully charged and correctly installed.
- Check if the remote control has fresh batteries and is powered on.
- Verify that the car and remote control are paired.
- Car moves erratically:
- Check for any obstructions in the wheels or chassis.
- Ensure the remote control is within range and has a clear line of sight to the car.
- Low battery in either the car or remote can cause erratic behavior.
- Remote control not responding:
- Replace batteries in the remote control.
- Ensure no strong interference sources are nearby.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | C51051W |
| Brand | CaDA |
| Product Dimensions (L x W x H) | 15 x 12 x 10 cm |
| Item Weight | 2 kg |
| Recommended Age | 6 years and older |
| Number of Pieces | 421 |
| Material Type | Plastic |
| Remote Control Frequency | 2.4GHz |
| Battery (Car) | Rechargeable Ni-MH AA400mAh 3.6V (Included) |
| Batteries (Remote Control) | Not Included |
| Educational Goals | Building Skills |
9. Warranty and Support
For technical support or inquiries regarding your CaDA C51051W Racing Car, please contact CaDA customer service. Refer to the product packaging or CaDA's official website for contact details. Please retain your proof of purchase for any warranty claims.





