See more of the jolly boat rocker in the builder’s gallery. jolly boat is a rocking toy boat designed to provide years of make-believe nautical adventure for the. 10x speed of most of the boat build. plans for the bought were bought form http://www.oldwharf.com/store/lys-plans.. By dennis caprio walter baron, old wharf dory co., designed the lumber yard skiff (lys) with commercial watermen in mind. it had to be simple, easy, and quick to.