The singing, ringing card: Christmas greeting in a class of its own

Anyone who receives this Christmas card will never forget it...

Christmas is the best time to remind everyone again: A Christmas card to the former boss, the rich aunt in Australia or simply to friends you haven't seen for a long time.

But if you really want to be 100% sure that the recipient doesn't just read your Christmas card and put it aside, but will also remember it in a few months, then you need a card like this:

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