Step #1
Draw a long shape as shown.
Step #2
Enhance shape as shown.
Step #3
Draw outline for the train front side.
Step #4
Enhance the front side.
Step #5
Enhance further the front side of the train.
Step #6
Draw glasses shapes over the roof.
Step #7
Draw lines.
Step #8
Draw windows.
Step #9
Make necessary improvements to finish the drawing.