Vender [Ready Stock] Metal Stirling Car Engine Kit That Makes A Physics Tech Toy al mejor precio

Description: Exquisite appearance: the shape of the car is realistic, both aesthetic and texture The overall polishing is meticulous, the color is bright, it is not easy to rust and fade, and has a high-end texture. Alcohol lamp with groove fixing, more safe and reliable Method of Operation: Place the model in a horizontal position during operation, inject alcohol into the alcohol lamp to ensure the safety, and ignite the alcohol lamp. Preheating for 1 to 2 minutes, the alcohol lamp heats the piston tube, and the dry air expands to generate power, and the car will start moving forward. (Use 95% alcohol, self-prepared) Through the hands-on operation, you can observe the whole engine running process, understand the principle of more intuitively, and deepen your interest in physics learning. The product itself has been assembled and can be directly used, and its quality and exquisite appearance also make it have a high collection value and can be used as a high-end gift. Specification: Material: Metal+Rubber Size Chart: Size: 15x9x10.5cm / 5.91x3.54x4.13inch Package Includes: 1 Piece Car Engine Note: The color may be different for different display, pls understand Pls allow 1-3mm error due to hand tste, thank you