I have the same issue. A friend of my wife's gave our son the Cargo King kit just yesterday...within a day the engine was going very, very slowly in one direction.
In terms of the fix, will this be a recurring problem due to a poor design?
![Sad :(](https://www.bachmanntrains.com/home-usa/board/Smileys/default/sad.gif)
In terms of the fix, will this be a recurring problem due to a poor design?