This boxed set contains four acorns which are to be buried or placed at the four corners of your property or residence. These are specially treated acorns from the Japanese Red Oak which are to bring prosperity to the inhabitants of the property. Over time they will deteriorate, so it is recommended fresh ones be placed approximately once each year to assure continued prosperity blessings. For those of you who utilize Feng Shui practices, be sure to place an acorn in the "money corner" of your home.