The Mr. Steel Wartenberg Pin Wheels are precision-designed tools for sensory exploration and stimulation. Crafted from high-quality stainless steel, these wheels feature sharp yet safe pins that glide smoothly across the skin, creating a tingling sensation. Whether used for medical roleplay, nerve stimulation, or sensory play, they offer controlled intensity with every roll. Available in various configurations, from single to multiple wheels, they allow for customizable pressure and sensation. Ergonomically designed for a comfortable grip, these pinwheels are perfect for those seeking an exciting addition to their sensory play collection. Always clean before and after use.