Our solar system stress balls cover Sun, Earth, Moon, Mars, Mercury, , , Jupiter, Neptune and . Each ball comes with realistic patterns and corresponding name. All of our stress balls are made of high-grade material, and odorless, technique adpoted, clear patterns without fading and discoloring, skin-friendly and allergy-free, 100% child safe. Our solar system balls come with a moderate pressure, super comfy to squeeze, no extra effort need. You feel a significant stream of air flowing away when squeezing. Our squeeze balls are in perfect sizes, suited for all age groups. You get 10PCS solar system balls (covering 8 planets in the solar system plus the Sun and the Moon, 1PCS per kind, the Sun is 3 inches in diameter and other planet balls are all 2.5 inches in diameter). color:As shown Material:PU Package Contents: 10 x Solar System Stress Balls Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.