Educational Toy: This quarry engineering train set is designed to inspire children's imagination and let them build their own track world. It enhances manual dexterity, hand eye coordination and creativity Easy to Assemble: The adventure track toy set have a smooth surface and are easy to assemble. Its smooth PP structure makes it an educational choice for children Ideal Gift: This educational engineering toy train will be an ideal gift for children on Halloween, New Year, Thanksgiving, birthdays and other occasions Develop Children's Skills: Children's engineering track sets promote hand eye coordination, dexterity, problem solving and social skills Engineering Track Set Toys: This is a versatile stem engineering race track toy designed to inspire creativity and learning Specification: Material: PP Size Chart: 60cmx58cmx14cm/23.62inchx22.83inchx5.51inch Package Includes: 1Engineering Race Track Set Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm differences due to manual measurement.