GOOD CONDITION . 17 1/2 x 11 1/2 BOARD, PLANCHETTE IS MISSING THE PLASTIC CIRCLE , WORKS JUST FINE WITHOUT IT . BACK HAS SOME WRITING ON IT, SEE PHOTOS . I DONT KNOW ANYTHING ABOUT THIS ITEM . . BOUGHT AND SOLD AS IS . ALL ITEMS MUST BE PAID FOR WITHIN 24 HOURS . ANY ISSUES PLEASE LET ME KNOW AS SOON AS YOU RECEIVE YOUR ITEM AND ILL DO MY BEST TO TAKE CARE OF IT. THANKS:)