Write 10 test cases for Pen?

1) test for ball or ink pen.
2) test for ink color (blue, red, what)
3) write with pen to see whether it works or not
4) check brand name and logo
5) check for body color
6) check for body material
7) drop pen from a reasonable height
8) check whether it is a click pen, or a pen with cap?
9) check for pen weight
10) check the refill