Gather these parts

Rotate side panels into place on either side of the platform

Glue back plate into place

Find the platform rim

Glue rim to the bottom of the platform as shown

Gather these parts

Glue the shelves in place as shown

Glue side plates in as shown

Glue the roof onto the shelf

Glue peg into the back plate

Glue shelf assembly into the space between the pegs from the previous step

Gather rail parts

Glue Kick plate into the middle of the platform as shown

Glue railings in place as shown

Gather counter-top parts

Glue first later of counter into the tops of the rails 

Glue top layer of counter on top as shown

Gather door frames

Glue first layer of door frame in place

Glue second layer of door frame in place