The Sun Pyramid is a large PVC or metal pipe that is large enough to accommodate many varieties of vegetables, foliage and shrubbery! Any serious gardener looking to extend their growing season or to control variables such as heat and humidity will want to build the Sun Pyramid! The Sun Pyramid includes shelves and doors which may or may not be used depending upon the season, greenery grown or builder budget restraints! The plans are easy to read and pipe lengths are clearly shown in position of placement. Easily constructed, the Sun Pyramid can be feeding radiant energy to your entire garden in just a couple of days! The Sun Pyramid is the perfect accessory for the serious do-it-yourself gardener!