Rotatable Solar System Building Block Toy - Children who are interested in space will love this set of solar system building blocks. This space building block adopts a gear connection structure. The planetary movement is driven by rotating the handle to simulate the rotation of 8 planets around the sun. Stimulate children's interest in space exploration and astronomyEducational Toys - This solar system building block set is both fun and educational. Children can not only experience the fun of building, but also understand the physical principles of gear linkage, learn some engineering knowledge and construction principles. After the construction is completed, this solar system model can also be used as a learning tool to help children better understand the composition of the solar system and recognize the 8 planetsDevelopment and Screen-free Play - The space building set can keep children away from mobile games and electronic screens, allowing them to really focus on doing one thing well, helping them to be more creative and focused. A great building kit for children over 6 years old who love space exploration and building various things. Let's start a wonderful journey of space explorationParent-child interaction and social interaction-building with family or friends is also a wonderful experience, which can enhance communication between family members, promote friendship, and keep their love for life forever. Building blocks are not only a good exercise for children's hands-on and problem-solving skills, but also a good test of patience and attention. In addition, after the building is completed, parents can stop by to explain the solar system and planets to their children. Kill two birds with one stoneCreative gifts for children-the creative space building set is suitable for children over 6 years old who love construction and space exploration. The instructions are simple and easy to understand, and all parts can be assembled accurately. It is also an ideal holiday, birthday, back-to-school season and Christmas gift for boys and girls aged 6 to 7 years old 8 to 9 years old 10 to 11 years old 12 to 13 years old