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. Two pairs of 3D glasses in each book