- Eco-friendly and safe: Made from high-quality materials and filled with soft sponge. The planet ball is colorful, non-toxic, and environmentally friendly, suitable for both children and adults. - Portable and lightweight: Small, easy to carry, and simple to store. Its compact size makes it convenient for travel, school bags, or pockets while remaining soft and comfortable to hold. - Solar system ball set: Eight planetary ball toys in the universe — Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Moon, Neptune. These planet-themed stress balls provide a fun, tactile way to explore space concepts and relieve tension. - Educational and developmental benefits: Bright colors and varied designs help improve color recognition and stimulate imagination. The soft sponge filling is ideal for sensory play and stress relief, supporting focus and calming for children. - Practical gift choice: A suitable birthday or holiday present for kids who enjoy hands-on learning toys. Simple, safe, and engaging for playdates, classrooms, or quiet time at home. Use scenarios: 1) Classroom activity: Use the planetary balls for hands-on lessons about the solar system and colors. 2) Travel and downtime: Bring along on trips or car rides to occupy and calm children. 3) Sensory or stress relief: Squeeze the soft sponge balls during study breaks or quiet moments to reduce anxiety and improve concentration. Materials: high-quality outer material with sponge filling. Safe for children and adults.