The video shows a small dog with black and white fur playing with a large box filled with colorful balls. The dog is seen sniffing and nudging the balls with its nose, and at one point, it jumps into the box and starts playing with the balls. The balls are of various colors, including pink, blue, green, and yellow, and they are of different sizes and shapes. The box is made of cardboard and is placed on a white surface. The dog appears to be enjoying itself as it interacts with the balls.