Traditional, double-paddle, and decked canoes that you can build. stitch and glue and strip-planked designs.. Item # description. price. g37-3005. 12 oz kit gelmagic epoxy adhesive. $15.70. g37-3008. 1.5 pint kit gelmagic epoxy adhesive. $23.99. g37-3011. 3 pint kit gelmagic. Fast-g stitch and glue plywood. this quick and easy boatbuilding method consists of plywood planking panels cut to shape from full-size patterns which are “stitched.