Wood, Slide, and wood screws Not included (sold separately) Buying your own lumber allows you to choose the grade of wood and also saves money 2 swing seats, climbing rock holds, tarp, and safety handles included Hardware and fully illustrated instructions included Assembled Dimensions: 21.5' x 17' x 13' Lumber required (not included): (3) 2x4x96, (11) 2x4x120, (7) 5/4x6x120, (15) 5/4x6x144, (8) 4x4x96, (5) 4x4x120, and (1) 4x6x144 or (2) 2"x6"x144". Optional ladder: (1) 2x4x96, (2) 2x4x120. Optional Rock Wall: (1) 2x4x96, (1) 2x4x120, (3) 5/4x6x120 Meets and/or exceeds ASTM standards for backyard residential use only