Tumbled stones vary in size but generally are within hand holding size and fit in pockets to bags. Their versatility are what make them desirable. Tumbled stones radiate energy gently in all directions and are very versatile. You can use them on your person, in bags, bowls around the house, and crystal grids. Tumbled stones generally are more affordable and offer an easy entry level to healing crystals. A tumbled stone is a great place to start when trying out a new crystal.