The rotating part of the Solar System Model is rotated by an operating handle to activate the push-rod rotating rotating assembly for demonstration purposes. The Solar System for Kids includes the sun, earth, moon, four seasons disk, operating handle, four seasons indicator, and lunar disk. This Astronomy Science Kit is a great way to illustrate the rotation of the Earth, the planets going around the sun The Sun Earth Moon Orbital Model encourages children to explore the solar system creatively and have fun using their imagination. Solar System models can help children's astronomy lessons better understand the phases of the moon, eclipses, seasons, etc. Description This model is durable with fine workmanship. It can display the astronomical phenomena of the sun, earth and moon visually. Students will be more interested in class teaching. Students are more likely to understand the movements of the sun, the earth, and the moon as they change over time. Features - Color: Black - Material: Plastic - Size: About 41. 50X28. 00X20. 00cm/ 16. 31X11. 00X7. 86in - The model contains the sun, the earth, the moon, the four seasons disk, the operating handle, the four seasons indicator, the moon phase disk. - The model presents the running orbit of the sun, the earth, and the moon in the natural world. - The rotating component is rotated for demonstration by operating the handle. - The joystick is connected to the center tube to activate the pusher to rotate the rotating assembly for demonstration. - A great kit to encourage children to explore the solar system while being creative and using their imaginations for fun. - Color: Black. - Size: 41. 5X28CM. Package Including 1 x Sun- earth- moon model