This is 15mm balsa wood sheets. This is generally used for making of aeroplane wings. It can be used as a cover after making the ribs and the spars. This can be cut with a blade or a knife easily. It can also be glued together to form smooth surface. 

This is 9mm balsa wood sheets. This is generally used for making of aeroplane wings. It can be used as a cover after making the ribs and the spars. This can be cut with a blade or a knife easily. It can also be glued together to form smooth surface. 

This is 8mm balsa wood sheets. This is generally used for making of aeroplane wings. It can be used as a cover after making the ribs and the spars. This can be cut with a blade or a knife easily. It can also be glued together to form smooth surface.