* issues
* todo
-** objects rotation
-** buttons
-** mouse cursor
+** instantiation of the objects
+*** model in the left side with a counter
+*** when you click a new object is created iff counter > 0
+** instructions
** main menu
+** implement the operations of the buttons
+** create one level per item, then levels with more items
+*** e.g. item1, item2, item1+2, item3, item1+2+3, ...
+** build pipeline
** magnet
* waiting
** version 0.0.yymmdd