Went to Lowes and purchased the wood for the Ailerons - 1/4 inch plywood is harder to find than I expected. The Trailing edge calls for 1/4 inch ply and the store only had lauan. - Found a sheet of 1/4 ply in the scrap pile that I had them cut length wise to fit in my hatchback. Also bought a couple 1x6 boards for the spars. Wood prices are outrageous since COVID