Doctor Drabble's Incredible Identical Robot Innovation - Dr. Drabble, Genius Inventor Author:Sigmund Brouwer, Wayne Davidson PJ and Chelsea are going around the world with their missionary parents in Dr Drabble's Brilliant All in One Traveling Apparatus. When Dr Drabble invents a duplicating machine which uses coconuts for fuel, PJ and Chelsea decide it's a great way to "make" new friends in the Philippines. When they use the machine again to undo the trouble it first... more » caused, they see that deceit and laziness never pay.« less