Vintage KO Toys Japan Tin Wind-up Bump’N Go Hot Rod Car, Works. Vintage tin windup toy Hot Rod car that I purchased at an estate auction in Ohio. Fair-Good shape with missing driver and steering wheel. Winds from bottom and works. Nice colorful tin litho. Made by KO of Japan, about 6” long.. Buyer to pay actually shipping from 43074. Estimated weight 13 oz well packed. Thanks!