Description: Help children get to know the sun and planets in the solar system Stimulate childrenand 39 s curiosity and shape the spirit of scientific exploration Exercise childrenand 39 s initial observation ability and manual operation ability Cultivate the development of childrenand 39 s comprehensive abilities such as discovering problems, exploring independently, and solving problems Guide children to diverge thinking, expand childrenand 39 s imagination from small to large, and establish the concept of a huge . Specification: Experimental steps 1. Arrange the cards of the eight planets in the correct order and observe 2. Observe space, use imagination, and tell what you see 3. Install the eight planets on the space paper card with rivets 4. Move the planet to make the planet rotate and find the position of the earth Size Chart: Material:Paper Dia.Approx.20cm or 7.87in Package Includes: 1Set DIY Solar System Paper Toys(4 Pack) Note: Colors might be different due to different monitor display. Please allow slightly difference in size due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.