Building a Xylophone - Are Xylophone Bars Made of Wood or Metal?
Usually rosewood, buy they can be made of fiberglass or other synthetic materials
This Site Might Help You. RE: Building a Xylophone - Are Xylophone Bars Made of Wood or Metal?
They are made of wood (either rosewood or hardwood). The ones made of metal are called vibraphones. They are the modern-looking versions of classic xylophones that use aluminum or copper instead of wood. However, wood is the preferred material for xylophones built at home.