Products for babies are often discarded after use because they are used for a short period of time, but with this product group, already sold products can be collected from users, updated, and reused as different products.
Users can select the next product from several product groups without worrying about where to put or dispose of used products.
Since it is standardized with a simple design, it requires only the minimum processing and additional materials as a new product component.
In addition, the design retains the original shape to some extent, so it is possible to leave a memory of growth.