10 pcs. Planet Solar System Anti-Stress Balls, Anti-Stress Planets and Space Ball Shaped Educational Toys, Anti-Stress Solar Educational Balls for Adults and Kids Early Learning, Party Game, Birthday Gifts Solar system design: The external appearance of the solar system is more visually appealing to children. 10 planets in one set include: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune, Pluto, the moonball. Education for learning: Attractive and realistic appearance helps to imagine, makes students learn in a fun way. It is useful for children to learn scientific projects at school and teachers to teach in the classroom. Relaxing balls: The balls of the solar system are very flexible and made of high quality material. If you are feeling anxious or stressed, use them to calm down. They can also be used to rehabilitate children's hands and train their concentration. High quality: These solar balls are made of high quality PU and slowly bounce off after strong compression, so they can serve for a long time. Education for learning: Attractive and realistic appearance helps to imagine, makes students learn in a fun way. It is useful for children to learn scientific projects at school and teachers to teach in the classroom.