Features: 1.Exquisite model ornaments: The aircraft five-cylinder radial engine model kit, with high-quality metal parts, brings you all the knowledge about the wonderful world of mechanical engineering in an immersive environment. You will embark on a great project to build your own aircraft engine,...

Parameters:Material: aluminum alloy + stainless steel;Product model: DM601;Coloring process: anodizing;Finished product size: 247*54*227mm;Parts quantity: 219PCS;Finished product weight: 636g;Boxed weight: 1207g;Assembly difficulty: 2 stars;Assembly time: about 2 hours;Charging voltage: DC5V;Battery capacity: 500mAh. Features: 1. Oil pumping unit model: It is made with fine workmanship and...

Features: 1.Commemorative collection: In order to thank the majority of users for their support of TECHING products, a new commemorative version of the robot is now launched, with cool spotlights. It is both a toy and an ornament, and can also be used as...

Features: 1. Origin of the story: The birth of the single-cylinder engine: In 1860, Edian Leroy invented the first usable internal combustion engine. However, the internal combustion engine as a practical transportation power device was completed 16 years later by the German engineer Otto....

Features: 1. Product material and workmanship: The product is made of metal, precision casting with CNC technology, oxidation of aluminum alloy, and exquisite workmanship at the level of collections of handicrafts. The 217 parts are all exquisitely polished by professional grinding tools, which perfectly...

Features: 1. Product material and workmanship: The product is made of metal, precision casting with CNC technology, aluminum alloy oxidation color, and exquisite workmanship at the level of collectible handicrafts. The 325 parts are exquisitely polished by professional grinding tools, which perfectly interprets mankind's...

Features: 1.Exquisite mechanical ornaments: This is a mini overhead valve inline four-cylinder diesel engine model designed with ingenuity. The high-quality and textured metal parts bring you everything in an immersive environment. Knowledge about the wonderful world of mechanical engineering;2. Simulation dynamic model: The engine...