This course will look in the fundamentals of modeling in Maya with an emphasis on creating good topology. It's aimed at people that have some modeling experience in Maya but are having trouble with
complex objects.
ya, the video tutorial provided by maya.
i did the bouncing ball, it is basically select an object and press the "S" key to save the state of the selected object. then move to different frame, do some modification on the object and save the state using "S" key