There are no tools required to assemble this teal. Parts are attached by using slide brackets. Step 1 Slide seat cushion brackets at the sane time and evenly into the'lower brackets on the left and right wood frames, Step? insert both back cushion brackets into the upper brackets on the left and right wood frames and slide them down at the same time and evenly until back cushion brackets are nig longer visible. *Hale does titillate make sure all seat brackets are inserted early.