I suppose this exposes some assumptions I was making. When I think of children learning programming with BASIC, Scratch, or Logo, I'm usually thinking of pre-teens or young teenagers, say 10-14 years old. Or younger, say 8, for some kids.
When my daughter was three, I built a Windows 95 computer for her and installed a load of preschool games on it. She could power the computer up, find her game, play it, close it and shut the computer down at that age. She learned to read from those games.
