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. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. Designers, plans & kits a to m: 16′ mckenzie river driftboat plans and construction manual (from altair industries) ace marine ltd. (low cost naval architecture.