Draw a circle for the head
Add a smaller oval for the body
Sketch two ears on top of the head
Draw a long spiral horn in the center of the forehead
Add a curved line for the neck
Draw four legs beneath the body
Add hooves at the bottom of each leg
Sketch a flowing mane along the neck and head
Draw a tail at the back of the body
Add eyes, nose, and mouth on the face
Outline the unicorn with clean lines
Erase extra sketch marks
Color the unicorn as desired