A truly fascinating 3D desktop display of the human body laser-etched into a glass block. Each bone is meticulously and clearly labeled for easy reading. View it from all sides and light it up from within in your choice of a half dozen color options: slow color change; quick color change; or constant white, red, blue, or green. It's a spot-on gift for a doctor, nurse, or medical student, or anyone intrigued by human anatomy. With base: 2.5" x 2.5" x 4.5"H. LED lights. On/off button. Powered by 3 AAA batteries (not included) or the provided USB cord (30").