The Three-Sphere Celestial Instrument, a versatile and captivating device designed to bring the wonders of the universe into your home, classroom, or observatory. This innovative instrument combines the principles of solar and , as well as the concept of a total , to provide a comprehensive understanding of celestial phenomena. Features -Color:Multi -Material:Plastic -Size:21.00X17.00X10.50cm/8.25X6.68X4.13in -Note: English edition -Perfect for both beginners and advanced astronomy enthusiasts, the Three-Sphere Celestial Instrument offers a unique and interactive way to explore the mysteries of the cosmos. -Its user-friendly design allows users to easily manipulate the instrument and observe the intricate movements of the Earth, Moon, and Sun. -With this instrument, you can simulate various astronomical events, such and , and gain a deeper understanding of their underlying principles. -By adjusting the positions of the three spheres, you can recreate the alignment of the Earth, Moon, and Sun during these celestial occurrences, providing a visual representation of their mechanics. -The Three-Sphere Celestial Instrument is not only a valuable educational tool for schools and science centers but also a fascinating addition to any home. Package list: 4 x Educational Sun Model