RE: Stocking up on balsa
1/8" lite ply and 3/16" 5-ply sheets
1/4 square bass sticks
1/4" and 3/8" square balsa sticks
1/16" x 3" or 4" x 36" balsa sheets
1/8" x " or " x " " "
1/4" x " or " x " " "
1/4" and 3/8" tri stock sticks
1/4" dowels
That'll give you a good start if you have to make repairs.
Dr.1