Sun-earth-moon model can demonstrate and rotation of the Earth, of the moon, the change of day and night in the same place, the change of day and night at the same time and so on. Make a big difference to your kids. Let students learn astronomy knowledge by operating this model. Funny educational kits for you to choose! Features -Color: Assorted Color -Material: Plastic -Size: About 42 x 27 x 19.5 cm / 16.51 x 10.61 x 7.66 in - Note: Ball color for random -This sun-earth-moon model makes your kids or students practice their operational ability while they are thinking. Contribute to their curiosity on the solar system so that improving their geography grades. -This product is made of and workmanship, the to teach your kids or students! -The model contains the sun, the earth, the moon, disk, the operating handle, indicator arrow, the moon phase disk. Very practical for teachers to use. -The model truly presents the running orbit of the sun, the earth, and the moon in the world. The rotating component is rotated for demonstration by operating the handle. The light bulb is illuminated in the middle of the sun to illuminate the earth and the moon. Bring real and objective experience for children to know more knowledge about astronomy. -With solar terms, this product can make you know more ancient Chinese research results about the relationship between the sun and the moon, the earth. Package list: 1 x Sun-earth-moon model