Gather these parts

Glue sides to the center of ladder

Glue ladder to backer plate as shown

Gather these parts

Glue the sides on the the platform

Glue the rim to the bottom of the platform

Glue the platform construct to the back plate as shown

Glue in pegs to the back plate as shown

Gather these parts and note the order in the photo. They will go down in order left to right

Glue plates from previous photo in order between the the pegs on the backplate

Gather these parts

Glue plates together with the jars as shown. The bottom jar should protrude further than the top one.

Glue the plate with the jars into the holes on the previous assembly.

Gather these parts

Glue the round parts into the rings at the top of the jars and glue the handle and other detail pieces into the slots as shown