Kids Solar System Toy Science Experiment Kit Educational Space Astronomy Toy Set PRODUCT FEATURE: These are the most popular and practical arts and crafts for kids being used for educational purposes. Use all these solar balls anytime you have spare time. For children aged 3+ to 12, the complete solar toy is simple to use and educationally entertaining. Fun solar system balls: the moon and sun of Earth, Mercury, Venus, Earth, Mars, Saturn, Uranus, and Neptune. Turning on the complete solar projector when children use the restroom at night can help provide lighting at the night to control the risk. PRODUCT INFORMATION: Dimensions: 25*25*18 CM Batteries: 1.5V AA Alkaline(Not Included) Age: 3 to 5 years, 5 to 7 years, 7 to 9 years, 9 to 12 years