To keep your dogs boredom away, give them their favourite toys or chew toys, plushies,or squeaky favourites.
During a long journey, if you keep their brains busy with a puzzle feeder, it will be good for long journeys.
Yes, pets also listen to music; they prefer soft classical or nature sounds that keep their mind calm.
Always schedule a break between a long journey, it can be a quick game break, as it will not burn their energy.
Some pets love to watch outside the windows as it keeps them entertained.
Dogs like natural chews like bully sticks, yak chews, or dental bones as they keep them happy and occupied.
Yes! Few pets respond to motion on screens, so you can also try this idea.