Welcome to the store! High-Quality Material: This solar system planetarium DIY model is made of high-quality plastic material, environmentally friendly and durable, specially designed for scientific experiments. Safe Design: All parts of these astronomical toys are processed with smooth-polished and softly rounded edges, making them safe for children. Educational Toy: An intuitive teaching model that vividly depicts the relative movement between the Earth, Moon, and Sun. Let children understand the laws of motion of the Earth, Moon, and Sun. Developmental Toy: Cultivate your child's practical ability and stimulate their interest in learning. Foster children's interest in learning and desire for knowledge. Improve children's sense of innovation and ability, and strengthen the cultivation of practical skills. Perfect Gift: Great for children's intellectual development and can help develop relationships between parents and children. It can encourage children to explore the solar system while being creative and using their imagination to have fun. It's a great gift for kids.