It's mentioned in the article, but Microsoft have a nice BASIC environment called SmallBasic[0]. It's got a decent editor with IntelliSense, there's a community

It's mentioned in the article, but Microsoft have a nice BASIC environment called SmallBasic[0]. It's got a decent editor with IntelliSense, there's a community with a bunch of programs shared online[1] and it can interface with .NET code so you can extend it with whatever shenanigans your kids might require. [0] http://smallbasic.com/ http://smallbasic.com/ [1] http://smallbasic.com/program/?TETRIS http://smallbasic.com/program/?TETRIS