Step 1: we'll start with the eye. Draw a circle for the eye.
Step 2: Next draw two ovals for the ears, with lines in them to form the inner ear.
Step 3: To draw the head, draw a curve from the ears to the nose, and a line for the chin.
Step 4: Now for the body. Draw an n-shape coming over from the ears and down the back. Draw a horizontal line to make the belly.
Step 5: For the forearm, add a curve underneath the head with two small circles on the end for paws.
Step 6: Now draw two ovals at the bottom of the body for feet, and add claws on the end.
Step 7: Next add two curved behind the body to make the tail.
Step 8: Add lines on the nose to make whiskers.
Step 9: Finally, make it look like fur with lots of small pencil strokes
How to Draw a Realistic Mouse – Step-by-Step Tutorial