Why are there money boxes for adults?

Not only children should have money boxes, adults also have all kinds of reasons to save for certain things due to their independent income. Since there is no more interest on the savings book in the meantime, the money boxes does not get more broken than there. For some adults saving is not so easy and money boxes for adults can help to fulfill some wishes. The selection of money boxes for adults is at least as huge as that of children's money boxes.