Since the crosstalk of the concept cow was broadcast, there are really digital candles for sale now. You can buy one 6, one 1, and that's all. If you can't buy it, you can use the method of six big 1 small, six red and one blue, or one in the middle of six or so. Of course, the old people mainly care about their mentality. If their children and grandchildren have this filial piety, the elderly will not care too much.