Assorted Pendulums. Types of crystals varies. Approximately 0.50" x 1.5", 0.3oz. Length with Chain 9". Minimum five (5) Pendulums are handy tools for finding answers and gaining clarity. To use one, hold the pendulum by its chain or string and ask a yes-or-no question. Observe the pendulum's movement: it might swing in a certain direction or make a circle. Trust your intuition and the pendulum's guidance to help you make decisions.