Extremely easy - it's a one-tap win. However, it's a good looking design, easy on the eyes, and nicely symmetrical, other than that rotating piece. Welcome to the Mekorama madhouse.
Welcome aboard. You've got a good eye for architecture, so I think you'll get the hang of how to put a little more game play into future designs.
Nice visual design, congrats. Now you should add it some logic or ability steps to make a playable level.