Teching Metal Steam Car Engine Model Kit Assembly Collector's Gift and Decor

Mechanical Aesthetics: From the visual point of view, the details of the mechanical mechanism are presented in the best way, and the clear transmission process can be seen at a glance, demonstrating the logic and power in the beauty of machinery. DIY Assembling Expansion: This product is also highly expandable, each model has its own independent function and structure, which can be combined or converted into different power systems through specified kits or DIY modification and upgrading. Assembly fun: Assembling this product is a fun process in itself, users need to assemble the parts by themselves, and the whole process is close to a professional assembly line process and takes about 4 hours, providing a challenging and fun experience. Power Source: The power source is powered by a lithium battery with a capacity of 500mah, it takes 2 hours to fully charge, and the shortest running time under full charge can be more than 30 minutes, and the output voltage of the lithium battery is DC 5V, which ensures good running performance.