1The gear in the middle is made of metal, safe and ecofriendly, strong and durable. 2Low noise when working, more wearresistant, stable performance, convenient and practical. 3Easy to install and disassemble, wonderful replacement for the old or broken one. 4Working voltage is 24V, 18000RPM high rotating speed, high working efficiency. 5An important accessory for children"s car, exquisite workmanship, has long service life. 1 x Gear Box1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it