Thank you for viewing! This is a tin toy with a key chain, modeled after the "Doctor Yellow" shinkansen, and powered by a hand-wound spring mechanism. 【Product Details】 ・Size: Height/Width approx. 2.7cm, Length approx. 5.5cm (※Excluding the spring winder and key chain.) ・Material: Tin ・Operation: Runs when the spring is wound. (※May not run smoothly in some cases.) ・Condition: Shows signs of use typical of tin toys, such as minor scratches, scuffs, and rust. Please check the photos for details. Please purchase only if you understand that this is a used item. No comments needed, instant purchase is OK. While there are signs of use as a used item, it is recommended for those who enjoy the retro texture, and for those who collect railway goods and tin toys. #DoctorYellow #ShinkansenGoods #TinToy #SpringToy #RailwayCollection #RailwayKeychain #TrainOtaku