Teaching Desktop App

I'd appreciate some feedback on this one guys.

I can't say much about the project except this...Its desktop software for PC. It's a teachers aid, used for preparing their classes.

The left sidebar icons act as drag and drop elements for their corresponding actions. The properties of each icon are displayed in the right hand sidebar.

Don't forget the @2x

Take a look at the large view here

Feedback is greatly appreciated. Cheers!