4 Wheels Stirling Engine Powered Tractor Model Physical Experiment Toy Education Black Friday Deals When opening or closing

When opening or closing

Product Weight: 9g

Package Include:

the production is elaborate

4 Wheels Stirling Engine Powered Tractor Model Physical Experiment Toy Education Black Friday Deals When opening or closing4 Wheels Stirling Engine Powered Tractor Model Physical Experiment Toy EducationFeatures:. Unique Car Shape: The creative design concept applies the Stirling engine to the car model, which is more interesting.. Science Educational Toys: The power provided by the Stirling engine can drive the car. The ingenious structural design and sufficient power make the car have forward and steering functions, allowing you to explore science and observe the