Draw a long vertical oval or capsule shape for the rocket body
Add a pointed cone on top for the nose
Draw two curved lines down the sides to shape the body
Add a small window circle or oval near the top
Draw two side fins near the bottom
Add a center fin at the bottom if desired
Draw the engine base at the bottom with a slightly wider shape
Add flame shapes coming out from the bottom
Outline the rocket with clean, bold lines
Erase extra sketch lines
Color the rocket as desired