The FunGram is a 3D tangram: the 2-dimensional tablets of the old game here become small fences, each with an entrance and an exit, which can be placed side by side to create a path and a succession of spaces.
Endless combinations can be decided by first using a scaled-down model, then moving the wheeled fences. The different shape and height of the enclosures will eventually create a small architectural landscape, made of volumes communicating with each other.