What was actually typed by the author was: Nora (4y) can't yet cross streets on her own, but we're starting to practice. and that seems like a fine age to

What was actually typed by the author was: Nora (4y) can't yet cross streets on her own, but we're starting to practice. and that seems like a fine age to start teaching children about road safety. Five years olds, properly introduced, are able to safely and competently make glass marbles from molten glass they pull from a furnace themselves.