A radio-controlled car is a toy car that you can control with a special controller that is connected to the car through a radio signal. Just like how your TV remote control sends signals to your TV to change channels, the controller sends signals to the car to make it go forward, backward, left or right.
The car has a small motor that makes the wheels move, and a battery that powers the motor. The controller also has batteries to power it. The controller has a joystick that you can move in different directions. When you move the joystick forward, the car will go forward, and when you move it backward, the car will go backward.
There are also buttons on the controller that you can press to make the car turn left or right. When you press the left turn button, the car's left wheels will spin faster than the right wheels, which makes the car turn left. Similarly, when you press the right turn button, the right wheels will spin faster than the left wheels, which makes the car turn right.
Some radio-controlled cars also come with special features, like headlights that light up or sound effects that you can activate with the controller.
Overall, a radio-controlled car is a fun toy that you can use to race around and have adventures. It's like having your own mini car that you can control!