The Tricky Pipe System, game by Mannesmann of Germany.  An amusing game of connecting pipe systems for 2 - 6 players , ages 8 - 99.  Full instruction sheets in English and German included.   Used, but complete and in original box, everything in excellent condition.  US buyer pays $5.00 shipping; international buyer pays additional shipping.  Payment methods accepted:  PayPal.  Will combine shipping for multiple purchases.