3 year olds haven't even started pre-school yet. And some 3 year olds barely talk. Some are not even potty trained yet. I'm starting my kids when they are 12

3 year olds haven't even started pre-school yet. And some 3 year olds barely talk. Some are not even potty trained yet. I'm starting my kids when they are 12. I don't want them glued to the computer screen just yet.