Bunheads BH483 Bun Builder Jr. builds perfectly neat buns that are ideal for stage, performance, and class. Same great idea as the original Bun Builder, but a smaller version for shorter and thinner hair. Step One: Gather hair into ponytail and fasten with an elastic. Slide bun builder to ponytail base. Step Two: Spread and secure hair around bun builder with bobby pins. Step Three: Add bun-pins and hairnets if needed. One size.