Includes the 4'x4' starter kit and The New Square Foot Gardening Book. Our square foot planting kit includes everything you need to start your Square Foot Garden except the soil. (We'll send along the 'recipe' for that too!) The wood components are constructed from durable, weather resistant cedar. Easy to assemble and requires no tools. The starter kit includes: Cedar Box - 4 sides and 4 corners. The corners are slotted so the sides slip in and hold securely. Measures 4'x 4'x 6" high. Weed Mat - pre-cut to fit under the box. Grid and Grid pins - attaches to the cedar box, dividing your garden into 16 one-foot square sections Assembly Instructions - You'll be surprised how easy it goes together.