A pleasure to perform with, or just set it on your book shelf just waiting for the time to perform a miracle. It appears to be an Encyclopedia for Magicians down to every detail.The front and back covers are actually swinging doors.This Encyclopedia is a Flip Over Box, but with a big improvement.The wooden back door is shimmed with metal. You are supplied with SIX Neo magnets 5/8 inch thick.This shimmed door and Neo magnets make your production possibilities endless! Measures 10 x 7 x 3 1/2 inches deep. (25.4cm 17.78cm x 8.89cm) Beautifully Silk Screened! NO hinges!