This video shows stepbystep how the model was made.
The original video of the whole model in operation is at
   • Magnorail  The accident  
I'll be starting work after Christmas on a brand new animated diorama which should be ready by early summer 2020. I think you'll find it just as fascinating. If you keep subscribing to my channel I'll be able to afford to buy the parts to start building it and you'll be notified when its ready!