Danes gather to celebrate Christmas on the evening of December 24. So how do you promote a December 25 lottery draw when the festive fun has already died down? By creating an extension to advent calendars that contains a ticket for the December 25 draw, thus prolonging the Christmas excitement. Naturally, the Danish National Lottery’s add-on box is compatible with most advent calendars on the market – and available from a wide number of retailers. This December 25, the snores will be replaced with suspense.