. . . . . . . . "Describes the tools and techniques used in working with balsa wood and gives instructions for making a periscope, kite, model ship, and other objects from this soft, light wood."@en . "Describes the tools and techniques used in working with balsa wood and gives instructions for making a periscope, kite, model ship, and other objects from this soft, light wood." . . "Balsa wood modelling"@en . "Balsa wood modelling" . . . .