Bamboo leaf boat (sasabune - 笹舟)
Japanese children build boats with bamboo leaves. They cut the ends of the leaves and fold them a bit like an origami.
External links :
http://shiawasetenshi.wordpress.com/2010/09/03/sasabune-bamboo-leaf-boat/
http://shiawasetenshi.files.wordpress.com/2010/09/bamboo.jpg
Hashiokis linked to this subject :
