1) The document provides instructions for building a regulation-sized cornhole board set from scratch using wood, including cutting wood boards to size, assembling the frame, attaching the playing surface, installing legs, and finishing details like sanding and painting.
2) Detailed steps include cutting and assembling the frame with screws, attaching plywood playing surfaces, extensive sanding with multiple grits, adding wood filler and drywall spackle, drilling holes for bags and legs, installing angled legs with bolts, and customizing with painting.
3) Building cornhole board sets requires careful measuring and cutting of wood boards, screwing together frames, extensive sanding, installing legs, and finishing