The Secret Power of Sound, Vibrations, and Frequencies on April 18, 2023 11 oz $12.95 + Shipping 15 oz $14.95 + Shipping11 oz x 1 - $19.4415 oz x 1 - $21.9411 oz x 2 - $35.8915 oz x 2 - $40.8911 oz x 3 - $52.3415 oz x 3 - $59.84