"Create pinwheels by simply sewing squares together! This strip friendly mini size twister tool works with 2-1/2in strips to create fun multi-colored pinwheels. Use 4-1/2"" squares (or charm packs) for traditional single-colored pinwheels. Tool measures 2-3/4in square and makes 4-1/2in finished pinwheels. INSTRUCTIONS INCLUDE TABLE RUNNER PATTERN. Durable thick acrylic with raised feet for easy placement and no slipping. Other available sizes include Lil' Twister for 5in squares, Midi Twister for 6-1/2in squares, and Twister for 10in squares.