Approved by the Square Foot Foundation as a structure that would be able to supply all the basics that are needed to be successful with Mel's system. The structure measures 4' X 4' and includes the 4 sides, 4 corner posts, the weed barrier that must be placed on the ground prior to planting the structure, and the grid that divides the 4 X 4 into 16 one square foot sections. The construction of this garden is easy and requires no tools. The base prieces are dove-tailed to slip together easily and made of cedar that should last for years. Initial instrucitons on getting started with your square foot garden will also be included with the kit to to get started. Kit does not include soil. A portion of each square foot kit sale goes to the Square Foot Gardening Foundation.