Smartwire's premium Nitinol is great for science classes, tinkerers, experiments, and researchers. Our wire is engineered for safety, activating at human-safe temperatures to reduce the risk of burns. Our 40°C variant activates effortlessly in hot water and is ideal for classroom, home, or lab environments. Smartwire nitinl boasts an ultra-smooth surface, courtesy of our sleek black oxide finish, and is designed to be easily shaped and retrained into new forms. Dive into the world of Smartwire and unleash your creative and technical potential! NOTE: Nitinol is a engineering material and not a toy