Halloween Props - Make paper mache trees Two 2x4 (or 1x4 or even 1x2) boards per tree. Scrap plywood to be the base Box of Screws or nails (having wood glue helps) chicken wire Newspaper Paint - black, brown, and gray spray paint Flour and Water for the paste Tools: hammer, drill, measuring tape, and a saw, staple gun, wire cutters, scissors