This directory includes all of the plans that are specifically designed for stitch and glue construction. the rc model x-1 is an inexpensive way to try out this. Hey mate, have a stitch and glue boat myself and have thought about doing it cheaper next time around. dont worry about marine grade ply because you are covering it. If you are going to build a boat, you’ll want one worthy of your investment. read the reviews: best wooden kayak and stitch and glue kit..