Shanty Castle is an extension of the traditional Sand Castle principal, except when inverted it delivers a basic scaled down replica of a shanty town dwelling. There are a few basic rectangular variation shapes in the available range.
Add some corrugated cardboard to the roof, and a few other included
extras, like window frames, and each Shanty Castle can take on a certain degree of individuality.
Every Shanty Castle purchase contributes a donation to a reputable charity engaged in a worthwhile project aimed at bringing relief to one of the world's many favela type accumulations of humanity.
Now all you need do is find a suitable sand-dune and start building. Completed item should look like pic in link.