It often won't accept stain. The remedy is to cut away the excess glue if possible (with a very fine ,sharp blade) and paint in the colour later with a very small brush using enamel paint, of the right colour and texture.
Yes, if the oil stain is thoroughly dry. Use a Multi-purpose carpet glue.
You can stain balsa wood.
Pva wood glue
Wood stain is abosorbed into the wood, so the wood takes on the color of the stain. This is why the features of the wood are still visible, unlike with paint.
You can stain over glue, but there will still be glue. So the surface will not be flat or smooth. The best way to stain over a surface is to make sure it is smoot first. Use some nail polish remover if it is super glue. If it is another kind of glue then you will want to sand it down as much as possible before you stain over it.
Wood stain is for sealing and emphasising the natural colour of wood
Wood glue is better FOR GLUING WOOD than any other type of glue !
You use wood glue for sticking pieces of wood together.
Glue is considered a protein stain, because of its ingredients. This means that you should not wash it in hot water until you know that the stain is gone. Scrape off as much of the glue as you can, then soak it in cold water and a presoak. Once the stain is gone, wash it normally.
Wood glue ANS 2 - I would use yellow carpenter's glue
Simple wood glue is Polyvinyl acetate which is basically white 'school ' glue. There are many better wood adhesives.
Peel them off and try peanut butter to take off the glue. There may be other substances to clean them, but some might also stain the wood, so proceed carefully.