Teching Engine Steam Train Model With Pathway Full Aluminum Alloy Model Gift Collection STEM Toys Type_Single Cylinder Stirling the structure design is stable

the structure design is stable

Package Dimensions: 20 x 20 x 19cm

Hall Motor Advantages: Brushless Motor

pulley diameter 24mm

Use Fuel: mixed gasoline fuel

Teching Engine Steam Train Model With Pathway Full Aluminum Alloy Model Gift Collection STEM Toys Type_Single Cylinder Stirling the structure design is stableAll metal Puzzle Electric Steam Train High Challenge Assembled Model Toy Creative Gifts for Adult Features: . 100% brand new with high quality . Origin of the story: The birth of the "train": In 1814, the British Stephenson invented the first steam train, but when driving, it will disturb the cattle and sheep poultry, will discharge the diseased gas, the splash of Mars will cause a fire, if the high temperature and high pressure boiler The explosion,