How do you teach a dog to entertain himself?

Teaching a dog to entertain himself can be done by providing him with interactive toys, such as Kongs, that can be filled with treats or food. You can also teach him to play fetch or hide and seek. Additionally, you can provide him with puzzle toys that require him to use his problem-solving skills to get a reward. Finally, you can also teach him to do tricks, such as rolling over or shaking hands.