Gather the 4 leg walls

Glue and slot together the legs

Glue the other 2 sides onto the base

Glue the plate onto the top of the base

Gather these parts

Note that the 2 taller antennae braces are optional and can be used in place of any of the shorter braces

Glue a brace into one of the smaller slots on the platform so that it slants out away from the center of the platform

Glue a wall section into the platform next to the brace

Glue the next brace in on the other side of the wall segment

Work your way around placing all of the walls and braces

Glue and slide the roof down over the tops of the braces

Glue the hatch ring onto the roof

You are finished. Prime with Rust-o-leum Profesional Enamel flat black and paint as normal with hobby paints.