Really fun! Reminds me of "little Schemer"* in the sense that there are no 'instructions' so you are encouraged to try various things out. In my opinion this w

Really fun! Reminds me of "little Schemer"* in the sense that there are no 'instructions' so you are encouraged to try various things out. In my opinion this way of doing it is good. It works for me. * http://mitpress.mit.edu/books/little-schemer http://mitpress.mit.edu/books/little-schemer