TECHING v4 Engine Model kit Full Metal Model Engine Assembly Kit Kids Run Adults 350+Pcs Assembly time 4 Hours DIY Toy Gift

Birth of the In-line 4-cylinder engine: In 1894, Maybach and Paul Daimler completed the development and design of the in-line four-cylinder engine with the cast cylinder block, using the carburetor patented technology which Maybach had just obtained in 1893. At the end of the 19th century, almost every good car in the world had this in-line four-cylinder engine from Maybach. This was done shortly after Maybach and Paul Daimler were pushed out of the company. Metal: Metal material & CNC process precision casting & aluminum alloy oxidation. Fine workmanship at the craft level. Mechanical: he classic mechanical mechanism is presented, so the transmission process is clear at a glance, exhibiting the beauty of the machinery with rigorous logic and surging strength Real: With the historical classic invention and product as the design prototype, it presents the core principle of machine operation, and intuitively demonstrates the application value of machine Classic: The product design is inspired by classic creations and excellent works that are representative and node in the history of human industrial science and technology. It is modeled in proportion and highly restored Craft: More than 300 parts are finely polished by professional abrasive tools, which perfectly explains human's wisdom creation and yearning for the great industrial era. Extension: While each product has its own independent function and structure, the product can be upgraded, combined and transformed by designated kit or DIY modification parts Assembly: The original product requires the user to assemble the parts in a complete machine. The whole process is close to the professional assembly line process, which is an interesting and challenging experience Significance and Value: Develop interests and hobbies by DIY assembly, improve hands-on ability and concentration ability, stimulate innovative thinking, and understand and learn the structure and operating principles of engines. The model can not only be used as an educational toy and learning AIDS in educational science, but also be used as a high-end high-quality model collection. Meanwhile, it is also suitable for friends and family. For Ages: 14+