This easy-to-assemble windmill/wind turbine kit includes wood, metal, and Styrofoam parts that are pre-cut and ready for quick engineering. Guidelines are easy, step by step, and in color. Kit includes a determining device to assure well balanced assembly and expandable bands that maintain tension on the airfoil blades. Exercise 21st-century skills and construct a model based upon real wind turbine engineering. Discover a windy area to hang your completed wind turbine and enjoy it turn! Hanging mechanism consisted of.