Dan Moi Sound Marble or Mini Baoding Ball, Single

The little sister of the baoding ball. Used for health promotion, spiritual and also musical use. Since they are smaller than the traditional Qigong balls, several marbles can be held in one hand and can be rotated of shaken, resulting in extraordinary effects.

The sound marbles are made of chromed steel and are available in silver or rainbow-colored (iridescent). They are supplied individually 

Just 3cm diameter