Corrected entry: The boat on the chocolate river is actually running on rails. You can clearly see the tassels on the roof of the boat jerking as it moves and even the motion of the boat in a distant shot is that it surges forward and backward, instead of a smooth motion.
Coconut
1st Jul 2002
Correction: This could be Wonka's design. It sure would be easier to control by him and his crew if it's set to a rail rather than floating freely.
Coconut