Use leather cleaner and a microfiber cloth so you don't damage the leather. You can also use the leather cleaner to wipe down the other components in your car.
You can buy black wall paint, but you have to use painter's tape on the window and around it (anything you don't want black that is near the rubber) because...
It’s wonderful that you are teaching Konstadinos a second language! It sounds like Konstadinos is a kinesthetic learner and likes to move a lot. You can use his affinity for...