George's train set whilst operational had it's issues. The main one was the need for the S bends on the centre board.
This was because the layout was originally just two 4 x 2 ft boards with an oval across the corners to maximise the run length. When the centre board was added by Santa it had to have the curves to make everything join up.
All those curves meant that my APT-E would not run and even the baseboard joints on curves gave the occasional