Do You Believe in Magic? Well, I Hope You Do... ABRACADABRA! Introducing! Our Pre-Workout Magic Mug! Our 11oz Color-Changing Mugs Will Add Some Fun and Excitement to Your Morning Coffee Forever! At First, it Look's Like Just Your Typical Black Mug, But Once You Add Your Hot Coffee, Watch the Image Come to Life and Instantly Appear. Houdini Approved!