Size: 3.2*5.3cm = 1.26*2.11 inch Elements: circular dial, button, rotary knob, worry stone, gear. There would some one you prefer. Function: Anxiety and Stress Relief. Our product is simulating many times in your daily life. The light button, the game pad, the gear, etc. Material: High quality. The cube ring is made of high quality environmental protection ABS material, non-toxic and environmental. Novelty design: several element can relax yourself.