It's really hard to do something like that with kids today. They have so many options now between consoles, iPads, etc. There's way too much instant gratification. You're never again going to see a generation that has the patience to type in the source code to a game published in a magazine.
People have been saying "you're never again going to see a generation that has the patience to X" for generations, when really X is just no longer a thing anyone wants to do.
When was the last time you typed in source code from a magazine? These days we all expect software to be more complex than what you can fit on a printed page. People have patience for the things they find exciting: nobody is excited by dinky type-in games any more.
Untrue, at least in the case of my 9 year old. He loves writing Javascript "apps" from bitsbox (bitsbox.com). I learned by poke'ing on an Apple ][ because that was the tech of the day. Apps are the tech of the day for kids and he loves seeing the things he can create.