Do you keep wishing that you or someone you know had half a brain? Well, now you can give them one! This hemisphere of the human brain is hand-carved and then cast in genuine pewter. Great for neurologists, neurosurgeons, psychiatrists, psychologists, psychotherapists and science teachers. Dimensions (not including keyring or loop): 2.5 cm wide X 2.3 cm high x 1.0 cm deep Weight: 17.0 Grams