This vehicle has been maintained by an amateur so that you can enjoy it 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!" Please feel free to comment if you have any concerns or would like additional images, so we can have a smooth transaction. Seriously, please refrain from interacting if you are overly sensitive. 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 manual price input. I would also appreciate it if you could take a look at my profile. The following is for those who are interested. Here's the work that was done: ★ Removal and cleaning of dust, hair, etc. from the wheels and motor unit of the powered car. There may be some areas that couldn't be completely cleaned. ★ Independent maintenance of the motor. Restoring the motor to its original condition. I haven't replaced it with an aftermarket motor, so you should be able to request repairs from the manufacturer. They won't accept modified items. ★ The battery terminals of the sound vehicle have been polished. ★ Cleaning of the exterior using various cleaners. That's the maintenance that was done. I haven't done anything more than that. I hope we have a good connection m(_ _)m