The Child of the Sea has the traditional hullshape of the islands of Tikopia and Anuta. She is built in strip planking over plywood backbone and bulkheads. She is steered with side rudders. Ethnic Designs as Canoe Craft have a basic design principle of maximum boat for minimum cost, and at the same time be a research participant in a major attempt to recover and preserve the practical, design, handling aspects of Man's first offshore sailing vessels.