The Kaira ice boat is a system of functional frames joined together to work like a sailboat, only it relies on wind-power only to skate along the ice. A steel stave runs the length of the boat and supports the mast and a runner-plank on which it rests at right angles to form a kite-shape for stretching the canvas. It runs on three steel skates attached at the edges. A single driver manipulates the canvas with a rope netting to increase or decrease speed between an amazing 30