Making a wooden back panel
Place your modelling houses next to each other. They will now tell you how many blocks to glue together so that you have a sufficiently large wooden surface. Glue them together accordingly. For a 3D effect, glue additional wooden blocks behind some of the houses, slightly offset in height.
Next, glue your row of houses to the DIY wooden panel. Decorate the clay image at the bottom with more driftwood. These create a further structure. If you brush them lightly with white and black paint, the look will appear "finished". They could represent part of the road or a bank stabilisation.
The row of houses is ideal as a table decoration. Or you can use it to create an eye-catching feature on your wall by screwing picture frame loops onto your artwork.
Have fun designing!