... Use new materials. Shin Dorn have various squeakers. squeaky ball, rattle ball, colorful ball, iron bell, jingle bell, brass bell, noise ... speaker, horn, sound box, Various reeds and various small pumps. Rattle ball materialPS + HIPS, we Shin Dorn will do various materials ... materialBest materials to make them. SoundLing-Ling Sound Ball has rattle ball insideNo and sizeModel no.300, Diameter is 15m/ ...