Comes ready-to-assemble with step-by-step assembly manual and all required hardware, all lumber is pre-cut and pre-sanded at the factory - even the main beams are pre-drilled to reduce the time of assembly Premium cedar tongue and groove wood roofs protect the playset (including the clatter bridge tower) from weather elements Includes upper-level treehouse with decorative windows (two have working shutters), turning the swing set into an attractive feature of your backyard Natural wood color stain looks beautiful in all backyards and has superior resistance to outdoor elements Soft rubber grippy plastic coating on swing chains helps prevent pinches and recessed bolts prevent snagging