Journal: Programming for kids

I know this has come up before. My 10 year old has been playing some basic flash games, and wants to learn how to "make a game". I have kturtle installed, and I expect that might keep him interested for about a week. Then what?

What good tools are there to allow a normal, curious 10 year old to write something with a fairly quick return on the time invested? I know someone is going to say that I should launch him straight in to perl, or C++, or something. Not happening. Those days are long gone. I need something that can create visual bang quickly and easily, and scale up to allow him to build a simple flight simulator (stick drawing of a plane, a horizon, and keyboard for pitch/yaw/roll).