EOM Femur Finger Spine Tibia Fibula Bone Ball Pen Nurse Radiographer Gift Crazy Stationery Student Kid Prizes 4pcs White 4 Femur shape bone pens each contains black ink. Ballpoint pen shaped like human bones. Novelty Femur Finger Spine Tibia Fibula Bone Ball Pen Nurse Radiographer Gift. Ideal for any practical joker, but especially fun for all healthcare workers and professionals. Perfect for orthopod, nurses, midwives, doctors, radiographers, phlebotomists, vets, surgeons, physiotherapists, etc.