Hey Guys, It's Kyle here, Thank you for checking out the class! 

Here Are some of my experiments with the shape tools and the pathfinder panel:

 

All the Shapes to the right were made only with the tool shown on the left

 

 

Here a some experiments with the pathfinder panel using only what could be create with basic shapes

 

 

And finally here is my final Illustration that was created Pen Tool Free. Built with the basic shape creation tools, the pathfinder panel and some awesome keyboard shortcuts: