• all parts with the inscription SS (two bases, two sides, two windows);
• additional details;
• boards (universal board - 1 pcs., SS board - 4 pcs., two of them connected with the bracket, another two - with sides);
• fasteners (screws with a cylindrical head - М3х6 - 4 pcs.).

1) Install the universal board on the lower base (marked: SS ↓), fix it with M3x6 screws with a cylindrical head.

2) Connect SS board installed on the side with the universal board. Position the side wall projections with holes in the base and snap into place. Connector of the sun sensor connects to the universal board. Repeat this for the second board.

3) SS board on the bracket connect with the universal board. Position the bracket projections with holes in the base and snap into place. Connector of the sun sensor connects to the universal board. Repeat this for the second board.

4) Fix four windows on the lower base. Hold each window along the guides in the walls to the base and snap it.

5) Set the second base (marked: SS↑) to the assembled module. Position the holes n the upper base and ledges of two walls and four windows and snap it.

This is how the assembled module looks like: