Anytime I have a scenery project to work on, these are the seven items I always have on hand and use on just about every single project. 1) Insulation foam board For most of my projects, I use styrofoam for the base, usually cut from 4x8 foot sheets I pick up at Home Depot or other home builder stores. You can pick this foam up in different thicknesses, but not all regions of the country carry the thicker boards. Most people, including myself, can't carry a 4x8 foot sheet of