Nervous System Neuron Brain Science Necklace A 3-D graceful neuron which measures approximately 1.25" in length It is a great gift for the both the aspiring and accomplished neuroscientist It hangs from a sterling silver twist chain that is elegant, but will endure regular use. It offers a way to display our love for the brain and its vast potential. It comes packaged in an elegant glass topped, black velvet storage box that will make a professional statement.