How to build a rocket!

Prepare 3 pane windows, 10 squares, 3 hollow squares, 4 triangles, 4 tall triangles.

Step 1: Build a cube construction using 1 hollow square as bottom + 4 squares at the sides.

Step 2: Build a cube construction on top using 4 squares as sides + 1 hollow square at the top.

Step 3: Add 4 square tiles, forming additional cube on top of the construction.

Step 4: Build a top for the rocket using 1 hollow square + 4 triangles.

Step 5: Place the top on the construction + add 4 tall squares at the sides.

Done!