This is an educational green 3D educational toy that will help improve your child s attention and creativity. Children can improve their curiosity and imagination while exploring logical thinking applying and solving problems. Gifts and Souvenirs: 3D puzzle models can be used to decorate homes or as a business partner s gift souvenir. AMAZING EXPERIENCE:When building a 3D model suite it will bring you a challenging and amazing experience. Explore the world with 3D models and you ll restore real-world architectural landmarks. PARENT-CHILD INTERACTION: it will exercise your hands-on ability. It is not only a toy but also a communication link between you and your baby. Have a good time with your child and you and your child will have a warm and wonderful family experience. ENVIRONMENTAL MATERIAL:environmentally friendly EPS foam board double-sided color coated paper safe environmentally friendly moisture-proof wipeable durable (children should not eat). EASY TO ASSEMBLE:size: 35 26 11.5cm easy to install no need for scissors glue and other tools the minimum assembly time is 90 minutes (speed decision). Packing list:13D puzzle model