No one who appreciates Toys should be without a Wartenberg Pinwheel. Sometimes referred to as a neurological pinwheel – neuro-wheel or simply a pinwheel. Sensations from this handy toy range from a scintillatingly sensual prickle to a wichedly sharp pin-pricks – depending on how much pressure is applied. Made of High Quality Stainless Steel – these Pinwheels (which measure approxinatekly 7 Inches long) possess grooved handles and a rolling head of extremely sharp points. Each comes in a vinyl case.