12×
Screw the two lower rails to a side frame
Step stool
12 min · one person · 7 steps · 8 panels · 13 fittings
Screw the two lower rails to a side frame
Screw on the two upper rails
Fit the step on its dowels
Screw on the other side frame
Bolt the seat and the step on from below
Turn it over and check it stands steady
Tighten the side screws again