Metalakaerr Engine Model Kit that Works, FS-L400BGC 14CC L4 Four-stroke Inline Four-cylinder Gasoline Engine Model, Physics Experiment Gift (Kit Version)

Interactive Scientific Exploration: The model is made according to the working principle of a hot gas engine, allowing you to immerse yourself in the world of thermodynamics and understand the principle of energy conversion. The all-metal model is safe and durable, and its unique appearance makes it a popular fashion gift and private mechanical craft collection All-metal Material: flywheel, drive cylinder, drive piston are made of brass H59, boiler, base plate, connecting rod are made of aluminum alloy, with sandblasted oxidation treatment on the surface, which is durable and does not change color. Other parts are made of stainless steel. Durable, high quality products provide hours of entertainment at a time Upgraded Version: The upgrades include a dual oil-seal on the crankshaft, an added crankshaft support bracket, an integrated 90-degree phased crankshaft, upgraded valves and high-angle camshafts, dual synchronous pulleys, redesigned carburetor and intake manifold, and an enlarged oil sump for enhanced performance, stability, and future upgrade potential DIY Assembly: This model contains hundreds of parts with detailed English instructions, you can combine your imagination with DIY assembly, give full play to your talent as an engineer and create your own unique engine model Best Gift: It is suitable for learners of all ages and bridges the gap between play and education, allowing you to experience the blossoming of curiosity and breadth of knowledge. Its an ideal gift for students, science enthusiasts and anyone interested in the wonders of physics, Manufacturer: Metalakaerr