Harmony Balls also known as Dream Balls
Have been used since ancient times.
Traditionally hand-made in Bali, the unique chiming bell contains a tiny Balinese xylophone, which creates the beautiful, magical sound. The bell is made from brass and the ball or locket design is made from sterling silver, Used for many things including relaxation and meditation, the tone of the Harmony Balls is soothing to the soul and helps promote inner balance and harmony. ‘The balls are often worn by expectant mothers to reassure their unborn baby. Newborn babies recognise the sound of their mother’s Harmony Ball when they are born.
Often given by best friends as a keepsake to represent their timeless friendship. 
Also known as the Angel Caller that is also called “Bola” or “Harmony Ball” is an ancestral jewelry that can be found in many cultures across the world. A gentle shake of this pendant releases a soft chime sound that brings inner calm and harmony, and is believed to call the wearer's Guardian Angel.