Features:

.100% brand new with high quality

.Origin of the story:The birth of a single-cylinder engine:In 1860,Leroir invented the first available internal combustion engine, but the internal combustion engine as a practical vehicle power unit was completed 16 years later by German engineer Otto, Otto solved the combustion compression, combustion ignition and other issues affecting the performance of the internal combustion engine, Leroy was poor in his later years,Otto made the company worthy of the company with the invention of the four-stroke engine

.Product material and workmanship: The product uses metal material, CNC casting precision casting,aluminum alloy oxidation coloring, collection of craftsmanship level exquisite workmanship, 130 parts are all polished by professional grinding tools, perfect interpretation of human wisdom in the era of big industry create and yearning.Vision: The mechanical mechanism is extremely presented, and the clear transmission process is clear at a glance, and the mechanical beauty of the logic and strength is displayed

.Reducing degree: Based on historical classic inventions and products, it presents the core principle of machine operation and intuitively displays the core value of the machine

.The product design is inspired by the representative node-like classic works in the history of human industrial science and technology,modeled, highly restored
.Scalability: Each product has its own independent function and structure, and the product can be upgraded, combined and converted into a power system through a specified kit or DIY modification
.Assembly fun: the original product requires the user to assemble the parts and components

.The whole process is close to the professional assembly line process. After assembly, it takes more than 4 hour, and the difficulty level is 4.5 stars, which is interesting and full of experience
.Power: Lithium battery power supply, lithium battery capacity 500mah, full power takes 2 hours, minimum running time is more than 30 minutes under full power, lithium battery output voltage DC 5v
.Use of people: all people over 10 years old

Specifications:

.Color: As Shown
.Material: Aluminum Alloy + Stainless Steel + Battery
.Product Dimensions: 12.5*19.5*20cm
.Product Weight: 789g
.Package Dimensions: 25*25*25m
.Package Weight: 2022g
.Packing: In-line Punching EVA + High-grade Metal Gift Box + Hand Bag

Package Content:

.1Set x Assembled Model Toy