Features 1. Assembly of small particle building blocks for the cosmic solar system set model. 2. Building block toys simulate the principle of rotation between the sun, subway, and moon in nature, exploring the charm of the solar system through creative assembly and exploring the universe. 3. Mechanical transmission, exploring exquisite design and knowledge, rotating the handle clockwise, the dial with a pointer begins to rotate counterclockwise, and the sun, moon, and earth models are all selected. 4. Precisions structural assembly with creative ornaments, rotating handle, Earth model, Sun model, Moon model, month dial, and month pointer. 5. Expand the manual to help learning and growth while playing. The manual contains knowledge points about the solar system and vivid explanations of traditional Chinese culture's 24 solar terms with pictures and text. Exquisite customized packaging, large-sized color box packaging, giving gifts with great face. Specification Material: ABS Color: Multicolor Design dimensions: 33 x 19.4 x 21 cm Color box size: 30.7 x 23.8 x 11.9 cm Product particles: 865PCS Weight: 1500 g Package Include: 1x City Solar System Bricks Toys