Ask the game of border grazing. I just got a border collie, and I have to work during the day. I don't know how to let a 3-month-old dog play by himself.

Buy him toys. . You can bite and play, and there are grinding sticks. You can grind your teeth when you have time. . Pick something delicious. . In order to prevent dogs from sticking to people, a grinding stick is usually used. . . But don't worry, because dogs sleep most of the time when no one is playing. . . Do you understand ~ ~ If you are not at home, the dog may have been sleeping. . . So feel at ease ~