This is our Be-fuddling, Bamboozling, Braintwisting book on 3D Magic Containing over 75 amazing optical tricks and illusions, you'll really wonder if you can believe your eyes. Super strong 3D effects lift the image 5 levels up and off the page. Turn the glasses around and the 3D image views 5 levels down Impossible? Just try it An amazing book packed full of eye-boggling activities.