Changes

== Ideas to try ==

== Ideas to try ==

*Build a catapult to simulate Angry Bird

*Build a catapult to simulate Angry Birds

*Build a machine that sorts different sized balls in to two buckets, large and small, with no ball jams.  

*Build a machine that sorts different sized balls in to two buckets, large and small, with no ball jams.  

*A cyclic mechanism for lifting balls from the bottom of the screen to the top, again and again.

*A cyclic mechanism for lifting balls from the bottom of the screen to the top, again and again.