Lifeforce Glass Inspiration Glass Stones for Encouragement and Motivation. Designed to Stimulate Creativity and Faith in One's Self. Set of 6 Know someone making a new start? Might it be you? Concentrate on the messages and conquer that writer's block. Each stone is approximately 1.25 inches in diameter. Packaged securely for quality. Colors will vary and will not be exactly as pictured, but they are always beautiful.