Revolutionary bracket system that lets you build and play in 1 day, and that locks tight and stays tight. The Alpine custom ready-to-build kit is a DIY kit that has never been easier. The Alpine features 3 customizable design options to choose from. The Alpine can be built with a 4-foot deck, or a 5-foot deck, or a 5 Ft. x 7 Ft. deck with a Turbo Tube Slide. Customize your Alpine with accessories to meet your child's needs, and select your lumber, nails/screws, and surfacing. Tools required and sold separately: Circular saw, hammer, screwdriver, electric drill, square, safety glasses, 3/8 In. long drill bit, tape measure, and Phillips bit. Only 9 lumber sizes required. Kit includes revolutionary bracket system and self-drilling lag screws. See brochure for additional project lumber lists. Place swing set on level ground in an open area not less than 6 feet from any structure or obstruction such as house, garage, fence, laundry lines, overhanging branches, or electric wires. The swing set must not be installed over concrete, gravel, asphalt, or other hard surfaces which could cause injury in case of a fall. Grass, sand, wood chips, or other soft surfaces are ideal. Lumber, slide, and wood screws not included. 5-year limited warranty. ASTM (American Society for Testing and Materials) certified.