It basically has ( 2 ) ½” x 4ft. steel rods that have thread the whole length of rod that goes from the wood base to the head. Starting at the base put the rod thru the base with a washer an nut on the bottom then slid a pot down the rod put another washer an nut on top of this pot an hand tighten the nut, then slip a spacer made from ¾ PVP pipe 2” long then another pot, washer, nut do the same until the legs are the length you want. After you have the leg done slid the bottom bigger pot on the rod and secure this with another nut and washer then invert the next pot, then the pot that makes the head, there should be enough of the rod showing inside the head to secure it all together with a washer and nut. You will have to drill two holes in the bottom of the big pots so that the rod past from the top pot thru the legs and the base. Build the arms in the same manner as the legs.