Try the origami kayak

Origami, the Japanese art of paper folding, is believed to date back as far as the 17th century. Traditionally done with a single sheet of paper, its elegant principles have come to influence package design, mathematics and -- more recently -- an unusual new folding kayak.



via CNN.com - Latin America http://edition.cnn.com/2013/10/11/tech/innovation/folding-origami-oru-kayak/index.html