This is a Kids on Board stroller board, a step that can be attached to a stroller. It has rotating wheels for smooth movement. Made in Japan, it's the Mama Tsuretette! Quiet model from Nihon Ikuji. I've actually attached it and confirmed its operation, and I've included photos. ^_^ There are some minor scratches and dirt, but I don't think there are any major scratches or stains. This is subjective, so please check the photos. ⭐︎Includes the instruction manual. It will be delivered assembled. If you want to disassemble and adjust it, the instruction manual is easy to understand with photos. ⭐︎Includes a belt and hook to fold the step. These are not original accessories, but I purchased them from a 100-yen shop. They work as shown in the photos, and I think they're perfectly adequate. This is a reliable piece of equipment for transporting siblings who are close in age. - Type: Stroller board - Design: Kids on Board - Wheels: Rotating wheels - Attachment method: Clinch clip Thank you for looking.