LaCuisine&trade; 18-oz. Clear Acrylic Tornado Portable Mixer LaCuisine&trade; 18-oz. Clear Acrylic Tornado Portable Mixer that is stainless steel, and battery operated. Acrylic is clear so you can see the food being mixed. Stainless steel is durable and will not bend or rust. 2 AAA battery power offers portability as electricity is not required. Batteries not included. Not intended for ice but will handle many other mixing recipes.