It's a visual programming language for creating games, it's very simple to create fun and playable games. It would certainly would as a good introduction to modelling and sequencing, which would lead on to "real" programming well.
This is a really exciting feature of Rails 3, having Rails as a key library is a great step forward.
I was writing a small sinatra app recently, and really wanted some active record functionality (serialization and validation), this would make this process trivial from now on.
It's a visual programming language for creating games, it's very simple to create fun and playable games. It would certainly would as a good introduction to modelling and sequencing, which would lead on to "real" programming well.