Upside down “福”(fu)

“福”(fu) means lucky, happiness.

People put the word "福” upside down, to make “倒福”.

Switch the order of "倒福” to "福倒” because the word is upside down.

The word “倒”(dao) has the same pronunciation to the word “到”(dao), and “到” means come. “福到” together means lucky and happiness comes.