http://hackety.com/ http://hackety.com/ An all-in-one package to fiddle with the very basics, get a visual result (children LOVE visual stuff way more than CLI

http://hackety.com/ http://hackety.com/ An all-in-one package to fiddle with the very basics, get a visual result (children LOVE visual stuff way more than CLI), and has some kind of IDE for kids built-in.