This drug rep toy is a great idea, but the reality is disappointing. It's a tiny light that clips onto one's stethoscope. There are two problems with the design. One, the fit is not as tight as it might be, and that rattling distracts from using a stethoscope for its intended purpose. The second is that the light is an LED, and therefore has a bluish cast to it, which makes it ok for checking the optic and occulomotor nerves, but makes looking at the back of a patient's throat difficult, as everything is a different color. Reluctantly, I'm putting this one in the "might have been good" category.