1975 VINTAGE MB MILTON BRADLEY PUZZLE “AUTHENTIC MAP ON WOOD OF THE UNITED STATES AGES 7-13”. I WOULD SAY THE PIECES ARE MADE OF PARTICLE BOARD, NOT “WOOD” AND THE AGE RANGE IS OPTIONAL. THE PIECES ARE IN EXCELLENT CONDITION FOR BEING 46 YEARS OLD. THE BOX HAS WEAR AND CORNERS ARE BROKEN. THERE IS ONE PIECE MISSING (PLEASE SEE PHOTO). PLEASE VIEW ALL PHOTOS AS THEY ARE PART OF THE DESCRIPTION. I WOULD BE HAPPY TO ANSWER ANY QUESTIONS YOU MAY HAVE. THANK YOU. PLEASE VISIT MY STORE.THANK YOU