This is One of the Most Versatle Healing Tools Ever Created!!! These Universal "White Light" Charged "Mars Rocks" can be used in hundreds of ways! You are only limited by your inagination. Their healing energy can be compared to gemstones & gemstone therapy, however they do not require cleansing or programming. They possess Pure Healing Energy! Their Unique "Spiritual Alchemy" Enhancement will never dissipate. They will hold their charge forever. They can be used to charge anything they are placed in or near, such as food, nutritionals, water, plants, etc. Put one in a Tub of Hot Water for a Truly Incredible Experience! Like a Spa Treatment in the comfort of your home. When held they have a unique and profound affect on the human energy field. They balance dis-harmony throughout the central nervous system, manage stress, improve brain function, increase mental focus and boost energy. Their unique shape enables them to be used as a reflexology tool to apply to pressure points stimulating & shooting a "Charging" flow of energy through the meridians. A simply divine treatment when used on the feet to stimulate points & get circulation flowing throughout the body. This Incredibly Versatile Healing Tool's. One to a package. They are available in either blue or green.