This vehicle has been maintained by an amateur to ensure it can be enjoyed for a long time. Of course, the operation has been confirmed. My operation check means confirming that it runs properly. It's not just "it moved when I put in batteries, so it's good!" To ensure a smooth transaction for both parties, please feel free to comment if you have any questions or would like additional images. Seriously, please refrain from contacting me if you are overly concerned about details. I have other items for sale. If you wish to purchase multiple items, please use the "request combined purchase" function. I will almost always accept requests, except for manually entering your desired price. Please also take a look at my profile. For those interested, please see the following: Maintenance details: ★ Removal and cleaning of dust, hair, etc., from the wheels and motor unit of the powered car. Some parts may not be completely cleaned. ★ Gear replacement and cleaning. If the gears are broken, the vehicle will not run properly. This can especially affect its ability to climb hills. There are repair marks from the replacement work. ★ Independent motor maintenance. The motor's original performance has been restored. I have not replaced it with an aftermarket motor, so you may be able to request repairs from the manufacturer. They will not accept modified items. ★ Replacement of rubber tires with new ones. Rock-hard rubber tires will prevent the vehicle from climbing hills. ★ Exterior cleaning using various cleaners. The above are the maintenance details. I have not done anything more than this. I hope we can have a good transaction. m(_ _)m