> Tiny hammers inside the piano hit the strings when you play. The > vibrating strings make the sounds. Have you ever made music with hammers? If you play the piano, you have. Small hammers hitting...
African thumb piano
Materials - crosscut saw - glue (white) - hand drill with twist drill bit - ice-cream sticks (four) - lumber (\^ inch plywood, scrap blocks, and thin strips) - pencil - ruler - sandpaper -...
