Journey through the solar system with this working model PLANETARIUM! Outstanding in its design, This wooden puzzle comes ready to assemble (no glue required), and is made from safe, plywood. The eight planets rotate around the sun with the help of a crank, and come labelled with their names and some interesting facts about each, making this 3D puzzle excellent for learning about the solar system. This handsome 3D model can be painted or left blank to fit perfectly into almost any interior. If painting This model, it is recommended that water-based paints be used, as thicker paints may obstruct the mechanisms. Our promise ideal for fostering a child's memory, logic, and imagination, Ewa eco-wood-art models are thoroughly tested for quality, detail, and functionality. We have dedicated our Engineering knowledge to make all of our models A rewarding experience for the whole family. Though this model May prove too difficult for younger children to complete by themselves, we encourage parents to assist, which promotes confidence, support, and family bonding. Due to small parts, It is recommended that children under 14 Be supervised by an adult.100% satisfaction ! If you aren't 100% satisfied with our product, contact us for a full refund. Check out our other models here!