If you've never made a pinwheel, don't worry because it's incredibly easy. Simply cut a square of paper (any size). Cut in from each corner of the square toward a center point. Stop cutting just short of the center. Then pull over the same corner of each quadrant, affixing the point in the center.
The JBS vintage and chipboard buttons are great foundation pieces that can anchor your pinwheel in the center.
Here's what you will need to get started on making these pinwheels: