Pinwheel Materials - colored construction paper - drinking straw - straight pin - tape - markers - scissors Method: Cut paper into a 9" square. Decorate on both sides. Rule lines from each corner so they cross in the middle. Cut along the lines almost to the center. Bend each corner in and poke pin through all four points, the center and the top of straw. Have a big person help you bend the pin back and tape it to the straw.