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 arrow, 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.Packing list: 1 x Sun-earth-moon model